Eyelids & Eyelashes Flashcards

(116 cards)

1
Q

label the diagram

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the dimensions for eyelids? (Vertical, Horizontal, Canthus angle, upperlid (children, lower lid)

A
  • Vertical:
    • 10-11mm young adult
    • 8-10mm mature adult
  • Horizontal
    • 30-31mm
  • Canthus angle
    • ~30^ nasally & temporally
  • Upper lid at superior corneal limbus in children
    • 1.5-2.0mm below limbus in adults
  • Lower lid at inferior limbus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the function for eyelids?

A
  • Protective barrier from foreign material (lashes move airborne particles away from the eye)
  • Prevents desiccation
    • Secretes elements of the tear film
    • Blinking functions
      • Tears move from lateral canthus -> medial canthus
      • Zipper-like closure
  • Decrease amt of light entering the eye
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe the anatomy of the lids. (label orbital septum & tarsal plate in the diagram)

A
  • Skin
    • Epidermis
    • Dermis
    • Skin appendages
  • Orbital septum
    • Fibrous membrane that separates the eyelids from anterior rim of the orbit
  • Tarsal plate
    • Rigidity & structure
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Describe the anatomy of the cilia & lashes

A
  • Caruncle
    • Hair
    • Sebaceous gland (Zeis)
    • Sweat/sudor glands (Moll)
  • Plica semiluminaris - vestigial remnant
    • Loose, allows for lateral eye mvmt
    • Does not stretch conjunctiva
    • Tear drainage
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Musculature for lids (label orbicularis oculi muscle, superior tarsal muscle, aponeurosis of levator muscle, and riolans muscle in the diagram)

A
  • Orbicularis oculi
    • Voluntary & involuntary control
    • Gentle lid closure (sleep)
    • Pulls tears through lacrimal sac
  • Riolan’s Muscle
    • Ciliary portion of orbicularis
    • Holds lids against globe
  • Levator superioris aponeurosis
    • Elevate & retract upper lid
  • Muller’s muscle
    • Elevate & retract upper lid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Innervation

A
  • CN VII - Facial nerve
    • Temporal branch
    • Zygomatic branch
    • MOTOR control of orbicularis
  • CN V - Trigeminal nerve
    • Ophthalmic division
    • Maxillary division
    • SENSORY
  • CN III - Oculomotor nerve
    • superior division
    • MOTOR control of levator
  • Sympathetic nerves
    • Innervates Muller’s muscle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Vascular supply

A
  • Arteries
    • Facial artery
    • Superficial temporal artery
    • Infraorbital artery
    • Angular artery
    • Lacrimal artery
    • Supratrochlear artery
    • Zygomaticofacial artery
  • Veins
    • Facial vein
    • Angular vein
    • Superior opthalmic vein
    • Supraorbital vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Eyelids: Lymphatic drainage

A
  • Anterior to orbital septum
  • All drain inferiorly
  • Deep & superficial parotid nodes/ submandibular nodes
    • Lateral 2/3 or upper lid
    • Lateral 1/3 of lower lid
  • Anterior cervical nodes - Deep & superficial
    • Medial 1/3 of upper lid
    • Medial 2/3 of lower lid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Name the congenital malformations

A
  • Ablepharon
  • Microblepharon
  • Ankyloblepharon
  • Eyelid coloboma
  • Epicanthus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ablepharon

A

Ablepharon (A = absence; Belpharon=Eyelid)

  • Failure of lid formation
  • Globe is always exposed
  • Association with abelpharon-macrostomia syndrome (rare inherited disorders)
    • ​Macrostomia - wide, fish-like mouth
    • Absence of eyelashes/brows
    • Incompletely developed, low-set ears
    • Abnormally sparse, thin hair
    • Thin, wrinkled skin
    • Webbed fingers
    • Malformations of external genitalia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Microblepharon

A

Microblepharon

  • Lid formation too small for normal lid function (shortening of lid)
  • often associated with anophthalmos (absence of eye)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ankyloblepharon

A

Ankyloblepharon

  • Fusion of lids to eachother via small/thin skin tag
  • May be single or multiple
  • Associations
    • Isolated congenital defect (Congenital glaucoma)
    • Ankyloblepharon Filiforme Adnatum (AFA) (Cleft palate)
  • Treatment
    • Band retraction
    • Monitor for other conditions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Eyelid coloboma

A

Eyelid Coloboma

  • Cleft in lid caused by incomplete closure of embyronic tissue
    • 90% occur on upper lid
    • typically forms at junction of middle & medial 1/3 of lid
  • Associations
    • ​Dermoids: normal tissue that forms in an abnormal position
    • Strabismus: have exo that develops
    • Corneal opacities
  • Implications
    • Exposure
    • Amblyopia: May be due to exposure & strabismus
  • Treatment
    • ​Lubrication
    • Bandage
    • Surgery
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Epicanthus

A

Epicanthus

  • Extra fold of skin
  • May cover inner canthus
  • Do Hirschberg test to confirm
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

List the Eyelid Malposition

A

Ptosis

Dermatochalasis

Ectropion

Entropion

Lagophthalmos

Floppy eyelid syndrome

Symblepharon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

List symptoms, etiology, & examination

A

Ptosis

  • Drooping of eyelid
  • If lower lid comes up = lower lid ptosis
  • Symptoms
    • Asymmetry
    • Lid sagging
    • Brow ache (Pt holding lids up)
    • Loss of superior VF
    • Loss/decrease of depth perception
    • Vision loss/amblyopia development
    • Cosmesis
  • Etiology
    • ​Aponeurotic = Defect in levator aponeurosis MOST COMMON
    • Mechanical = gravitational effect of a mass/scarring
    • Myogenic (Muscular)
      • Myopathy of levator
      • Myasthenia gravis
      • Muscular dystrophy
      • Chronic progressive external ophthalmoplegia = Kearns-Sayre Syndrome
    • Neurogenic
      • Innervational defect
      • CN III Palsy
      • Horner’s Syndrome
      • Marcus Gunn jaw winking
    • Pseudoptosis
    • Congenital
    • Pharmacologic
  • Examination
    • ​Margin to corneal reflex measurment
      • MRDI: Corneal reflex to upper lid
      • MRD2: Cornea reflex to lower lid
    • Palpebral fissure measurement: Distance between upper lid & lower lid primary gaze
    • Levator fxn measurement
      • Normal => 15mm, Good 12-14mm, Fair 5-11 mm; Poor <4mm
    • Upper lid crease position: Vertical distance b/w lid margin & lid crease in downgaze
      • Female ~10mm; Male~8mm
    • Pretarsal show: Distance b/w lid margin& skin fold in primary gaze
    • Fatigability: Activites to tire muscles
    • Ocular motility defects: Look for CN palsies
    • Bell phenomenon: Up & out rotation w/ eyes closed
    • Hering’s Law: Equal innervation of lids
      • Fellow lid may be elevated in compensation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Ptosis Examination

A
  • Margin to corneal reflex measurement: measurement of corneal light reflex to lid margin in PRIMARY gaze
  • Palpebral fissure measurement distance between upper & lower lid in primary gaze
  • Levator fxn measurement
    • Normal = 15mm
    • Good = 12-14mm
    • Fair = 5-11mm
    • Poor = <4mm
  • Upper lid crease position: vertical distance between lid margin & lid crease in DOWNGAZE
    • Female ~10mm; Male ~8mm
  • Pretarsal show Distance between lid margin & skin fold in PRIMARY gaze
  • Fatigability Activities to tire muscles
  • Ocular motility defect look for CN palsies
  • Bell phenomenon Up & out rotation of globe with closing of the eyes
  • Hering’s Law Equal innervation of lids
    • Fellow lid may be elevated in compensation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Name the characteristics & causes of aponeurotic ptosis

A

Ptosis - Aponeurotic (MOST COMMON of ptosis for ALL PT)

  • Characteristics
    • High eyelid crease
    • Moderate ptosis
    • Good levator fxn
    • Worsens in downgaze
  • Causes
    • Aging (most common cause), usually bilateral
    • Repetitive eye rubbing
    • RGP wear
    • Previous intraocular surgery
    • Muller fatigue
    • Pregnancy
    • Lid swelling
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Mechanical ptosis

A

Ptosis - Mechanical

  • Appearance depends on etiology
    • inability of eye to elevate fully b/c of something else (tumor, mass, scarring)
  • Gravitation effect of a mass or scarring
    • CL in upper fornix
    • Upper lid inflammation
      • Chalazion, GPS, post-traumatic/surgical
    • Neoplasm (abnormal mass of tissue may/may not be cancerous)
    • Scar tissue
  • Treatment
    • get rid of whatever is causing it
    • Ex. if its CL - take it out or if it’s swelling it can lead to aponeurotic ptosis
    • Anterior Orbital lesions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Myogenic Ptosis

A

Ptosis - Myogenic (muscle related) characteristics

  • Poor or absent lid crease
    • Dysgenesis of levator, fibrosis & replacement w/ adipose tissue
  • Poor Bell phenomenon
  • ​Lagophthalmos on downgaze (when looking down, unable to fully close their lids
    • Poor levator relaxation
  • Up-gaze limitation
    • Associated w/SR weakness
    • Compensatory chin elevation
  • Can either be congenital or acquired
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Myogenic Congenital ptosis

A

Ptosis - Myogenic Congenital

  • Common in children
  • Unilateral or Bilateral
  • Myopathy of levator leading to poor function
  • Impairment of transmision of impulses at NMJ (neuromyopathic)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Myogenic Acquired Ptosis

A

Ptosis - Myogenic Acquired

  • Uncommon
    • Pt usually older - developed later in life
  • Localized or diffuse muscular disease
    • ​Muscular dystrophy
    • CPEO - Chronic progressive external opthalmoplegia
    • Myasthenia gravis
    • Oculopharyngeal dystrophy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Myasthenia Gravis

(Define, Complications, Diagnosis, Tx)

A
  • Autoimmune disease characterized by loss of ach receptor causing muscle fatigability & weakness
  • Has both myogenic & neurogenic components in ptosis
  • Female 2:1
  • Age of onset: 20-50
  • Ocular complications presenting signs in 2/3rd pt
    • ptosis
    • Diplopia
    • Nystagmus
    • Worsen w/fatigue
  • Complications
    • Difficulty chewing/swallowing
    • Altered speech
    • Difficutly breathing
  • Diagnosis
    • ​Tensilon Test
      • Edrophonium - fast acting, short duration of Ach
      • Improvement in ptosis - following injection
    • Ice-pack test
      • Ice pack applied to upper lid x 10 mins
      • Positive test - impovement in ptosis by >2mm
    • Fatiguing activities
      • Walking up stairs
      • Stand on toes
      • Prolonged up-gaze
      • increase in ptosis w/ fatigue is positive
    • Repetitive nerve stimulation testing
      • Lab testing: Serum anti-Ach receptor antibody titer or serum anti-musclespecific kinase titer
  • Tx
    • ​Medical therapy:
      • Acetylcholinesterase inhibitors
      • Pyridostigimine (Mestinon)
      • Oral steroids
      • Immunomodulators
    • Surgery
      • ​Thymectomy
        • 60% have thymic hyperplasia (thymoma)
        • 10% thymic tumor
        • B-cells interact w/ T-helper cells -> anti-Ach receptor antibodies
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Myotonic Dystrophy (Characteristics, Types/Forms, Ocular signs)
* **General Characteristics** * Autosomal Dominant * Occurs at any age * Chronic, slowly progressive multisystemic disease * Characteristics * Muscle wasting * Myotonia * Cataracts * Heart conduction defects * Endocrine changes * **Myotonic dystrophy forms** * ​**Type 1** - **Steinert disease** * **​**More common * More severe * Congenital or adult-onset (earlier development = worse sx) * Features: Difficulty swallowing, constipation, gallstones, uterine muscle abnormalities * **Type 2 - Proximal myotonic myopathy** * **​**Less common - german decent * Less severe - slowly progressive * Adult - onset * Proximal muscles affected first - hips * **Ocular signs** * Ptosis * Cataract * Retinopathy * Near-Light reflex dissociation
26
Chronic Progressive External Opthalmoplegia
* Slowly progressive paralysis of EOMs * **Most frequent manifestation mitochondrial myopathies** * Features * Symmetrical, progressive, bilateral ptosis * Opthalmoparesis months to years later * Iris & ciliary muscles remain intact * Orbicularis weakness * Associations * Kearns-Sayre syndrome (KSS) * Oculopharyngeal dystrophy * Myasthenia gravis * Graves disease * Tx * Cardiac work-up * Electromyography & muscle biopsy * Ptosis repair * Pharmaceuticals * Coenzyme Q10 * Tetracyclines
27
Chronic Progressive External Ophthalmoplegia (KSS)
* CPEO before age 20 & pigmentary retinopathy * Potentially fatal due to heart conduction defects * No sex predilection * Diagnosis * Pigmentary retinopathy + at least 1 of: * Cardiac conduction defect * CSF protein \>100 mg/dL * Cerebellar syndrome * May also have * Mental retardation * Babinski sign * Hearing loss * Short stature * Delayed puberty * Various endocrine disorders
28
Neurologic Ptosis | (Characteristics, Causes)
* Innervational defect * Causes * CN III palsy - horner's syndrome * Marcus Gunn jaw winking * Myasthenia gravis * Ophthalmic migraine * MS
29
Neurologic ptosis (CN III palsy) (Describe the etiology, diagnosis, and tx)
* CN III palsy - ptosis, mydriasis, down & out misdirection * Etiology * Vasculopathic * Trauma * Compression (aneurysm) * Infiltrative * Toxic * Diagnosis - neuroimaging, lab testing (vitals, CBC, ESR, metabolic panel) * Tx: depends on etiology
30
Neurologic Ptosis (Horner's syndrome)
* Horner's syndrome * Miosis, ptosis, anhydrosis, (heterochromia) * Loss of sympathetic innervation in pathway * Central * Pre-ganglionic - association with chest trauma & tumors * Pancoast's tumor - metastasis from lung or breast * Post-ganglionic - most often benign * No anhydrosis * To confirm horner's syndrome * **Cocaine 10%** - Dilates **NORMAL** eye, not horners * **Apraclonidine** - Dilates **HORNERS** pupil, does not dilate **NORMAL** pupil * To localize lesion * **Hydroxyamphetamine** * Dilates **PRE-GANGLIONIC** lesion * Not enough norepinephrine release to dilate post-ganglionic * **Phenylephrine 1%** * **​**Elevates **AFFECTED** side due to hypersensitivity of mullers muscle * Dilates **POST-GANGLIONIC** lesion, minimally dilates PRE-GANGLIONIC, does not dilate central lesions * Important to rule out malignancy in central and pre-ganglionic lesions * **Neuroimaging** * **​**Important in absence of clear h/o trauma as cause
31
Neurologic Ptosis (Marcus-Gunn jaw winking)
* 5% of all congenital ptosis * majority are unilateral * Signs = retraction of ptotic lid with stimulation of **ipsilateral** pterygoid muscles (sucking, chewing, opening mouth) or **contralateral** jaw mvmt * Postulated etiology * Part of CN-V2 (madibular branch) misdirected to levator muscle
32
Ptosis (Pseudoptosis)
* Causes * Lack of support of lid by globe due to volume deficit * Artificial eye * Microphthalmos * Pthisis bulbi * Enophthalmos * Contralateral lid retraction * Ipsilateral hypotropia * Brow ptosis * Dermatochalsis
33
Congenital Ptosis
Abnormal muscle development Unilateral or bilateral
34
Ptosis surgery
* Improve lid position * Cosmesis * Improve VF * Types * Conjunctiva - Muller resection * Mild ptosis * Congenital ptosis * Horner's syndrome * Levator * Moderate ptosis * Brow suspension * Severe ptosis with poor levator function * Marcus Gunn jaw winking * Aberrant regeneration of CN III * Previous sx with poor results * Complications * Under/overcorrection * Lagophthalmos * lid lag * Exposure keratopathy * Corneal ulceration * Vision loss * Hemorrhage * Infection * Astigmatism changes * Ectropion/entropion * Cicatricial changes * Diplopia
35
Dermatochalsis
* Common \*\* * Sagging of skin of eyelids (UL\>LL) * Bilateral, often asymmetric condition of elderly pt . \>50yo * Progressive involution changes of aging * Loss of elasticity * Degeneration of connective tissue * Characterization * Redundancy of upper eyelid skin * poor adhesion to underlying musculature/CT * orbital fat protrusion through septum * Indistinct lid crease * Hooding of lashes * Complications * Blockage of superior/temporal VF * Browache &/or HA * Frontalis muscle used to elevate lids * Cosmesis * Treatment * Blepharoplasy if affects superior field of vision
36
Blepharochalasis
* RARE * Recurrent bouts of eyelid edema leading to redundant folds of skin over lid margins * Adolescents or young adults * Recurrent episodes of eyelid edema * Stretching & atrophy of skin * Damage to levator aponeurosis -\> ptosis * Characteristics * Unilateral or bilateral * Typically only UL * Herniation of orbital fat through septum * Stages * **edema stage =** transient painless lid edema with mild redness * **Atonic - ptosis stage** = skin appears reddish brown, becomes telangectatic & loose, overhanging onto lashes * **Ptosis adipose** = dehiscence of orbital septum with herniation of orbital fat into lid
37
Blepharoplasty
* Removal of excess skin from upper or lower lids * Insurance covers when VF is affected from UL blocking superior portion of vision * Outpatient procedure * Topical **antibiotics** give for ~1wk following procedure * Bruising & itching are main side-effects * Risk * Poor healing * Persistent fat * Loose skin * DES (Dry eye syndrome) * Scarring due to corneal exposure if too much skin removed leaving pt unable to close eyes fully
38
Ectropion
* Outward rolling of lid * Complications: exposure of cornea & conjunctiva * **_Risks_** * Age * Eye rubbing * Repated pulling on lids * CL wear * Eye meds * Floppy eyelid syndrome * Skin condition affecting lids * **_Sx_** * Dryness * FBS (Foreign body sensation) * Conjunctival hyperemia * Epiphora * Lid redness * **_Causes_** * **Involutional** * Age & lid laxity * Musculature & skin tension decreases with age * Most common * **Cicatricial** * scarring * **Mechanical** * Tumors near lid margin * Basal cell carcinoma using disruption * **Paralytic** * Bell's palsy - paralysis of orbicularis * Exposure 2^ lagophthalmos -\> epiphora * Causes: CN-VII, Botox * **Congenital** * Usually associates with other lid/systemic problems * Unilateral or bilateral * RARE * Ichthyosis * Down syndrome * **_Tx_** * Treat underlying condition * Lubrication * Bandage CL * Surgical repair
39
Entropion
* Inward rotation of lid & appendages * **Complicatiosn** * Trichiasis * Corneal pannus * Scarring * Ulceration or perforation late * **Sx** * FBS * Tearing * Blurred vision * **Causes** * **Involutional** * Most common * Age related loss of lid tone & weakness of lid retractors, atrophy of orbital tissues * **Cicatricial** * 2^ conjunctival scarring * Chronic inflammation -\> Fibrosis, scarring & shortening of posterior lamella * **Spastic** * Irritations of lid in severe corneal disease -\> spasm * Occasionaly with generalized belpharospasm * **Congenital** * RARE & Often confused with epiblepharon * occurs from improper aponeurosis insertion of the retractor muscles * **Tx** * Lubrication * Epilation * Glue * Surgical repair
40
Epiblepharon
* In-turning of lashes in the presence of normal eyelid position * Generally worsens in downgaze * More common in asians * Asymptomatic, resolves w/ age
41
Lagophthalmos
* Incomplete lid closure * Sx * Eye irritation/FBS * Exposure keratopathy * Redness * Blurred VA * Worse overnight or in am after waking * **Nocturnal** * **​**Sleep w/ eyes partially open * Dx on history, visualization of fissure with lid closure * Adults \>children due to decrease in tear film with age * **Orbital** * **​**Proptosis * Graves, orbital pseudotumor, mucocele * **Mechanical/Cicatricial** * **​**Scarring * **Paralytic** * **​**Bell's unilateral CN-VII paralysis, frequent viral etiology * Self-limiting * Resolves w/in 3 months, 85% resolve in 3 weeks * Vascular associations - MUST rule out stroke * **Diagnosis** * **​**Hx - ask if pt sleeps with eyes open or family member spouse reports * Observe blink rate & completeness * NaFL observeration with lids closed gently in slitlamp * Observe light presence/absence in slightly reclined position * **Treatment** * **​**Mostly supportive ( lubrication & taping) * Tears during day * Ung qhs * Sleep masks/taping * Tarsorrhaphy if severe
42
Floppy eyelid syndrome
* Loose eyelid skin which is easily everted * Generally occurs in obese, middle-aged men * Unilateral or bilateral * Frequently misdiagnosed * Complications * Exposure keratopathy * Drying of cornea & palpebral conjunctiva * Redness * Papillary response * Associations * Keratoconus * Eye rubbing * Skin hyperelasticity * Joint hypermobility * Obstructive sleep apnea * Diabetes * Mental retardation * Examination * Eversion of lid without excess manipulation * Spontaneous eversion * Tx * Supportive - lubrication, taping/masks * Medical - antihistamines * Surgical . Horizontal shortening of affected lid * Tx underlying condition - weight loss
43
Symblepharon
* Fusion of lids to conjunctiva * Palpebral conjunctiva fusion bulbar conjunctiva * Cicatricial changes * Complications * Ocular motility disorders * Diplopia * Entropion or lagopthalmos
44
List some benign cysts & nodules
* Chalazion * Concretion * Epidermal inclusion cyst * Epidermoid cyst * Dermoid cyst * Sebaceous cyst (pilar cyst) * Cyst of Zeis * Hydrocystoma/Cyst of Moll * Milia * Comedones
45
Chalazion
* Meibomian gland lipogranuloma * Granulomatous inflammation from retained sebaceous secretion * Enlarging, painless nodules * Larger upper lid nodule may cause irregular astigmatism & blur vision * Recurrence needs to have sebaceous carcinoma ruled out * Tx * 1/3 resolves spontaneously * Heat * Excision, steroid injection, systemic antibiotics
46
Concretions
* Calcified sebaceous material * May cause FBS * White to yellow color * may be single or multiple * Tx * None, Excision
47
Epidermal inclusion cyst
* AKA epidermoid cyst, Sebaceous cyst (pilar cyst) * Proliferation of squamous epithelium in a confined space of the dermis or sub-dermis * Firm, non-tender nodule * Benign * Treatment * None * Incision & drainage for infectinon * Excision
48
Dermoid Cyst
* Developmental choristoma * Mass of histologically normal tissue in abnormal location * Generally present in 1st decade of life * Well circumscribed, firm, rubbery, subcutaneous mass * Tumors may be hair follicles, sweat or sebaceous glands * May be superficial or deep * **Superficial** * **​**Firm, round, smooth, mobile mass * No proptosis or globe displacement * Superior temporal or nasal orbit * **Deep** * **​**Older age of onset * Non-axial or globe displacement seen * Enlarge & may cause inflammation or scarring * **Indications** * Cosmesis * Vision loss * Irregular astigmatism * Deprivation of amblyopia * Optic nerve involvement * Rupture leading to granulomatous inflammatory reaction * **Tx** * Surgical removal - may recur if incompletely removed
49
Cyst of Zeis
* Obstruction of sebaceous gland associated with hair follicles * Small * Non-translucent * Anterior lid margin
50
Hidrocystoma/Cyst of Moll
* Adenoma of sweat gland - arise from apocrine or eccrine glands * Often on eyelid, near margin * Asymptomatic * Smooth, translucent, transilluminate
51
Milia
* Dead skin cells become in small pockets at surface of skin - baby acne * 1-2mm, white to yellow dome-shaped bmps * Infants or adults * Appear on nose, chin, cheeks, eyelids * Tx * none, excision for cosmesis
52
Comedones
* Blocked hair follicle - keratin & sebum plug * Small, skin-colored, white or black bumps * **Open - black surface pigment** * **Closed - white, completely blocked**
53
List some benign tumors that may occur on the lid
* Squamous cell papilloma * Basal cell papilloma * Actinic keratosis * Sryingoma * Pilomatricoma * Capillary hemangioma * Port-wine stain * Pyogenic granuloma * Xanthelasma * Neurofibroma
54
sqamous cell papilloma
* Soft, pedunculated mass with numerous finger-like projections * Conjunctival lesions caused from HPV - occurs mostly in children & young adults \<20yrs * Painless without vision loss * often no tx required & spontaenously resolve
55
Basal cell papilloma/Seborrheic Keratosis
* Slightly raised, skin to light brown colored spots that thicken & darken with time * Stick to skin like barnacles * Degenerative in nature, related to aging * Removal often recommended b/c similar in appearance to melanomas
56
Actinicic Keratosis
* Multiple flat or thickened, scaly or warty, skin colored to red lesions occuring on sun-damaged skin * May develop into cutaneous horn * Considered pre-cancerous * Common in fair-skinned persons or those working outdoors for years without UV protection
57
Syringoma
* Harmless tumors of the sweat glands * Often occuring on eyelids * Skin colored to yellowish firm, round bumps 1-3mm in diameter
58
Pilomatricoma
* Tumor of hair follicle * Rare, benign * Solitary, firm, skin colored papule or nodule * Multiple lesions associated with various genetic disorders - myotonic dystrophy * Generally on head, neck, upper extremities * Most often in young children & adolescents, but can affect adults
59
Capillary Hemangioma
* Most common **benign** tumor in children \*\*\*\*\* * 10% all births * 80% head/neck * Predilection for UL * Slow progression * Dilations for capillaries * Females \> males * More common in caucasian populations * No bruit or pulse * Spongy consistency with palpation * Blanch with pressure * Lesion worsens with crying * Proliferative lesions which develop shortly after birth * 30% present at birth * 50% present at 1-2 months * 90% present by 6 months * Most 80% reach max size by 3 months, although may grow up to 18 months * Complications * Mechanical ptosis * Amblyopia * Astigmatic anisometropia \*\* * Strabismus * Exposure keratopathy * ON compression * Imaging Tests * US, CT, MRI * Tx * Indicated for cosmesis or risk of development of amblyopia, ON compression, corneal exposure * Monitor * Generally regress or involute - may take 3-10 years * 40% regress by age 4 * 80% regress by age 8 * Propranolol - oral or topical * Steroids - oral or injection * Laser tx * Surgical removal
60
Port-wine stain
* aka **nevus flammeus** * Large, flat patch of purple or dark red skin with well-defined borders * Increase in size, color & elevation over lifetime * May become bumpy with time * **Complications** * Tender/painful * congested with blood as to alter facial features * Infection * **Sturge-Weber syndrome (encephalotrigeminal angiomatosis)** * **​**Somatic mutation of gene GNAQ - Non familial * Affects blood vessels of CNS, eyes & skin * Blood vessels grow more rapidly leading to increased number & size of vessels causing skin color changes * Red, purple, or blue appearance to skin * Unilateral \> Bilateral * **Brain involvement from increasing size of angiomas** * May result in shrunken brain * Calcification in the skull * Seizures * Meningeal angioma * **Ocular features** * Ipsilateral glaucoma (70%) * Buphthalmos * Iris heterochromia * Diffuse choroidal hemangioma * Optic atrophy * Epibulbar telangiectasia * Tx * None * Neurology consult * Dermatology consult * tx of ocular conditions
61
Pyogenic granuloma
* Painful, fast-growing, vascularized polyp shaped lesion * Fibrovascular proliferative response to conjunctival injury * Causes * Trauma = mechanical or surgical * Infection * Hormonal influences * idiopathic * Tx * Steroids * Excision
62
Xanthelasma
* Deposits of cholesterol in skin * Yellowish subcutaneous plaque, often occuring at medial aspects of lid * Common, often bilateral, increasing with age * Association * Increased serum cholesterol * Primary biliary cirrhosis * Familial hypercholesterolemia * Tx * Excision
63
Neurofibroma
* Benign tumor of nerves * proliferation of schwann cells, fibroblasts & nerve axons * Tumor of lid causing characteristic S-shaped deformity * **Plexiform neurofibroma** * Larger, grow from nerves anywhere in body * Possibility of malignant conversion * Children with **NF1** * **Solitary/localized neurofibroma** * Adults, 25% with NF1 * Grow from small nerves in /near skin * Small bumps appearing during puberty * Remain benign
64
Neurofibromatosis
* Group of disorders that cause tumor growth in the NS * **NF1** = tumors in PNS * **NF2** = tumors of schwann cells (schwannomas) * Schwannomatosis - Schwannomas * Recently classified as separate entity from NF2 * Most tumors benign, but may become malignant * No gender or racial predilection * **NF Type 1** * **​**1:2, 500-300 people world wide * Cause unknown ~50% of cases due to spontaneous mutation * Presentation - at or shortly after birth generally by age 10 * Progressive disorder * Generally of normal life expectancy * **NIH criteria for diagnosis** * At least 2 of the following * 6+ cafe-au-lait spots \> . 5mm in kids or \>15mm in adults * 2+ neurofibromas or 1+ plexiform neurofibroma * Auxillary freckling or freckling in the inguinal regions * 2+ lisch nodules * Distinctive osseous lesion * Sphenoid wing dysplasia * Long-bone dysplasia * Optic pathway glioma * 1st degree relative with NF1 * **Associations** * Large head circumference * Short stature * Hydrocephalus * epilepsy * Congenital heart defects * HTN * Vasculopathy * Learning disabilities * Poor language &/or visual spatial skills
65
List Some Pigmented Skin Lesion
* Ephelis * Acquired melanocytic nevus * Congenital melanocytic nevus * Cafe au lait spots * Nevus of Ota
66
Ephelis - Freckle
* Increased melanin in basal keratinocytes * Common in fair skinned children * May fade or disappear during winter months &/or with age
67
Acquired melanocytic nevus
* Moles * Most people have 20-50 * Appear after 6mos * Increase in number childhood/adolescence * Peak 3rd decade * Regress with age * **Risk of malignant transformation determined by histologic location** * Junctional - low potential - macular or minimally raised, brown to black * Compound - low potential - pigmented papules, may be dome-shaped * Intradermal - no potential - skin colored to tan dome-shaped papules * Histological variants - multiple dysplastic nevi (atypical moles) - at risk for conjunctival & uveal nevi & cutaneous, conjunctival & uveal melanoma * **Management** - observation * **Congenital Melanocytic Nevus** * Present between birth 2 yrs * Range in size from small (\<1cm) to giant (\>40-60cm) * Occur in any cutaneous location * Tan to black in color * May have course terminal hairs
68
Cafe-au-lait spots
* Flat, coffee-colored patches * Solitary lesions common * \>6 strongly suggestive of NF type I * May also be present in Albright's syndrome
69
Nevus of Ota/Oculodermal melanocystosis
* Slate-brown to blue/grey nevus * Occurs on forehead or around eye * May have hyperpigmentation of sclera, cornea, iris or retina * **Nevus of Hori** - occurs on both side of face
70
List some Malignant Tumors
* Basal cell carcinoma * Squamous cell carcinoma * Keratocanthoma * Sebaceous gland carcinoma * Kaposi sarcoma
71
Basal cell carcinoma
* MOST COMMON human malignancy * Elderly, fair skin, chronic UV exposure * 90% head/neck * 90% eyelid malignancies * LL \> medial canthus \> UL \> lateral canthus * Presentation * Ulceration * Induration (palpable, raised, hard area) * Irregular borders * Destruction of lid margin * Lack of tenderness
72
Sqamous cell carcinoma
* Less common, more aggressive * Metastasis to lymph nodes in 20% * 5-10% eyelid malignancies * LL, lid margin * Elderly, fair complexion, chronic UV exposure * Presentation * Similar to BCC * Vascularization to absent * Rapid growth * Hyperkeratosis
73
Keratoacanthoma
* Type of squamous cell carcinoma * Rare * Fair-skinned, chronic UV exposure * LL * **Presentation** * Pink, rapidly growing hyperkeratotic lesion develops in weeks * Growth ceases x 2-3 mo & spontaneous involution occurs over 4-6 mo * Keratin-filled crater develops * Complete involution in about 1 yr leaving scarring * Rare progression to invasive or metastatic carcinoma
74
Sebaceous gland carcinoma
* Very rare * Elderly females - any age possible * Arising from MG, gland of zeis or sebaceous glands in caruncle * UL \> LL * Presentation * Often resembles chalazion in early stages * Yellow crusting common * Prognosis 5-10% mortality * Delayed diagnosis (\>6mo) * Size \> 10 mm * Metastatic disease 25%
75
Kaposi Sarcoma
* Vascular tumor * Frequent association w/ **HIV/AIDS** * Occasionally only clinical manifestation of infection * **Presentation** * Pink, red-violet, to brown lesion * Color varies based on skin pigmentation & location * May be mistaken for hematoma or nevus
76
Blepharitis
* Inflammation of eyelids * Sx * Itching * Burning * Dryness * FBS * Mattered lids * Redness * Puffiness * Scratchiness * Lash loss * Bumps on lids * **Signs** * **Bulbar conjunctival staining** * Appears before corneal involvement * Lissamine green/Rose bengal - stains later & indicates associated DES * NaFL with wratten filter * **Corneal Staining** * NaFL * Mostly occurs inferiorly where lid apposes eye * Frequently sx worse in AM due to stagnation of tears * Looking for limbal staining * Curvilinear lesions at 10, 2, 4, & 8 o' clock * **Lid staining** * **​Palpebral conjuctiva** * **​**Injection * Concretions * MG changes * Telangiectasia * Papillae or follicles * **Lash/Lid structure** * Mattering * Greasy - seborrheic * Hard/crust - staph * Cylindrical sleeves - demodex * Poliosis * Madarosis * Pachyblepharon * **Tears** * Debris, frothiness * Decreased TBUT due to stasis * Decreases oils -\> increased evaporation * Improves w/ tx * Tx * **Digital expression of glands** * normal pts - clear oily liquid * MGD/MKC - rubid, inspissated glands * **Forceful expression of glands** * May be used as tx * Thick toothpaste or sing-like excretion from the glands * No discharge due to stenosis
77
Chronic **Anterior** Blepharitis
* Involving the lashes and anterior lid * Very common cause of ocular discomfort & irritation * Usually **bilateral & symmetric** * poor correlation of signs & sx * **Symptoms** * **​**Burning * Grittiness * Mild photophobia * Crusting/mattering * Redness * **characterized by remissions & exacerbations** * **Causes** * **​Staophylococcal** - hard scales & crusting at the base of lashes * less common & occurs in younger pts * Treatable and possibly curable * **Seborrheic** - hyperemic & greasy anterior lid margins with lashes sticking together * 95% assocation with generalized **seborrhea or dermatitis** * M \> W * Mixed etiology * **Treatment** * **​**Lid hygiene * Steroid/antibiotic combination * Warm compression
78
Chronic **Posterior** Blepharitis
* **Meibomian gland dysfunction (MGD)** & alterations in the MG secretion * Sx: similar to anterior * **Meibomian seborrhea & MGD** * Overproduction of sebum & associated rapid turnover of epithelial cells * Present in approx 43% of population * Up to 30% CL intolerance * Associated with rosacea & seborrhea * Management: lid hygiene * **Meibomian Gland Grading Scale** * **​0:** all glands patent * **1: 1 or 2** partially obstructed (clear with mild pressure) * **2: 3+** partially obstructed * **3: 1-2** blocked + many partially obstructed, foam along margins * **4: 3+** blocked with remainder partially obstructed
79
Chronic **Posterior** Blepharitis: **Meibomian keratoconjunctivitis (MKC)**
* **MG** disease with associated corneal changes * More common in cool climates * **Associations**: seborrhea & rosacea * **Presentation** * **​**Inflammation around glands, mostly posterior * Difficult to impossible express glands * Very thick * Tear film instability * Associated papillary hypertrophy * **Associated keratitis** * **​**10, 2, 4, & 8 o'clock lesions * Sterile, curvilinear ulcerations or infiltrates * Clear zone between lesion & limbus * delayed type hypersensitivity reaction wtih increased cell mediated immune etiology * Scarring and vascularization possible * Anterior changes possible: **madarosis, pachyblepharon, scalloped lid margins** * **Treatment** * **​**Variable, often involves steroids
80
Demodicosis (Demodex)
* **Microscopic ectoparasite** * demodex folliculorum * demodex brevis * **Clusters at root of eyelashes** * Burrows deep into sebaceous & meibomian gland * Life cycle: 14-18 day egg to larvae, 5 days adult * **Incidence** * 60 yo = 84% * 70+ yo = 100% * **Symptoms** * **​**Itching * Burning * FBS * Dryness * Redness * Photophobia * Pain * Blurred Vision * **Clinical presentation** * **​**Cylindrical dandruff * Lid margin inflammation * MGD * Blepharoconjunctivitis * Blepharokeratitis * **Treatment** * **​**Lid hygiene * Cliradex * Sterilid * Blephadex * Tea tree oil * **BlephEx** (in office procedure to remove debris from lashes, similar to alger brush with micro-sponge top, 6-8 mins, repeated q4-6 months) * Demodex convenience kit - ocusoft
81
Ocular Rosacea
* Inflammatory condition of the skin * 30-50 yo, may occur in children * M=W * May occur in conjunction with or absence of cutaneous signs * **Symptoms** * **​**FBS * Pain * Itching * Burning * Blurred vision - transient * Recurrent chalazion * Lid swelling or redness * Conjunctival hyperemia * **Eyelid** * **​**Blepharitis - most common (Posterior blepharitis) * Telangiectasia * Chalazion * **Conjunctiva** * **​**Conjunctival hyperemia * Papillary or follicular conjunctivitis * Conjunctival scarring * **Cornea** * Keratitis * Bilateral, relapsing of varying severity * Pannus * Stroma infiltrate * Corneal thinning * Dry eye * **Other** * **​**Uveitis * Scleritis/Episcleritis * **​Treatment** * **​Supportive therapy** - topical lubricants, lid hygiene w/ massage, punctal occlusion * **Topical therapy** - Antibiotics, steroids, Restasis, Ivermectin - skin, Brominidine - skin * **Systemic therapy** * **​Oral antibiotics** * **​**Doxycycline - apprilon * Tetracyclines * Macrolides - young pts & those with interolerance/allergy to tetracyclines * **Omega- 3 fatty acids** * **Surgical excision of chalazion**
82
Management of chronic blepharitis
* often requires combination approach * **Nutrition** * **​Seborrhea** * **​**many pts with increased lipid deposition * Stop eating fatty foods * **Anti-oxidants** **-** may counteract free fatty acid damage * **LNA - alpha-linolenic acid (flaxeed oil)** * **​**Beneficial role in cellular turn over * **Hygiene** * **​**Warm compresses - Min 4 mins to dissolve waxes, up to 6x/day * Digital massage - assist in opening glands further * Lid scrubs * Clean debris from lid margin * Gentle - tissue thin & sensitive * **Supportive Therapy** * **​Lubrication** * artificial tears: palliative results with q2 hr dosing, most pt compliance about 1-2x/day * **Gels** - last longer than tears, palliative results at QID dosing * **Ointments** - supply lipid component * **Punctal occlusion** - collagen, silicone, cautery * **Forceful experession** * **​**Topical anesthetic on cotton swab with 2nd swab or finger to outer lid to apply pressure * Helpful in reduction of bacterial load * In office tx q6wks * Severe cases greatly improve sx after 3 sessions * **Topical therapeutic agents** * **​Antibiotics** * **​**Applied to lashes in scrub-like motion * Erythromycin or bacitracin * Initial presentation of corneal ulcer may require prophylactic antibiotic solution * **Steroid ointments or solutions** * **​**Utilized for inflammatory or hypersensitivity component * Corneal disease: solutions * Lid disease: ointments * Combo drops/ointments often helpful * **Bland ointment** * **​**useful in cases of demodex * ointment smothers the mite * **Oral antibiotics** * **​**inhibit bacterial proliferation * inhibit lipase & thus free fatty acids * **Medications** * **​Doxycycline** * **​**Drug of choice in meibomitis * May cause GI distress * Decreased response when taken with food or acid reducer * Dosage * **initial** - 150-200mg * 25, 50, or 100 mg for maintenance dose * Caution: tetracyclines retard bone and dentitia development * Should not be used in pregnant or nursing women or in children under 12 yo * Warn of sensitivity to sun * **Azithromycin** * **​**Z-pac * 500 mg first day, then 25mg for 5 days * **Erythromycin** * **​**May cause GI distress * Safe to use in pregnancy, nursing & children * Adult dosing: 500mg loading dose, then 250mg QID x 4 days * Pediatric dosing: 30-50 mg/kg/day
83
Angular Blepharitis
* inflammation involving the outer angle of the lid * **Etiology**: *Moraxella lacunata or staph* * Rarely other bacteria & herpes simplex have also been implicated * **Signs** * **​**Unilateral red, scaly, macerated & fissured skin at canthal regions (lateral\>medial) * May have associated papillary or follicular conjunctivitis * **Tx** * **​**Topical antibiotics * Bacitracin * Erythromycin * Chloramphicol
84
Pthiriasis Palpebrum (Pediculosis)
* Infestation of eyelashes by **phthiriasis** (pubic lice) * Occurs at any age - children & adults living in poor hygienic conditions, sexual contact * **Sx** * **​**Chronic irritation * Itching of lids * **Signs** * **​**Lice anchored to lashes by claws * Ova & shells appear as oval, brownish, opalescent pearls at lash base * Conjunctivitis is uncommon * **Tx** * **​**Mechanical removal of louse & associated lash with forceps * Bland ointment applied to lashes min. BID x 10 days * Delousing of pt, family members, & bedding is important to prevent reinfection
85
Childhood Belpharokeratoconjunctivitis
* Poorly defined, but tends to be more common in **asian & middle eastern** population * Presentation: mostly about 6yo * Recurrent episodes of chronic redness, eye rubbing & photophobia * Misdiagnosed as allergic disease * **Signs** * **Chronic anterior or posterior blepharitis** * **​**often with recurrent hordeolum or meibomian cysts * **Conjunctival changes** * **​**Diffuse hyperemia * Bulbar phlyctenules * Bulbar or papillary hyperplasia * **Corneal changes** * **​**SPK * Marginal keratitis * Peripheral vascularization * Axial subepithelial haze * **Tx** * **​**Lid hygiene & topical antibiotic ointment at bedtime * Topical allow dose steroids * Oral erythromycin
86
List some bacterial infections of the eye
* External hordeolum * Impetigo * Erysipelas * Necrotizing fasciitis
87
Hordeolum
* Acute bacterial infection & subsequent abscess formation in sebaceous glands of the lids * may present as **internal** or **external** variants * **Symptoms** * **​**Tender or painful lid nodules * Associated redness & warmth of the skin of the lid * No visual changes * Rarely have discharge - if present, generally see purulent material within the gland * May notice thinning of the overlying epidermis * May see pointing/pouting of gland * **Demographics** * **​**Any age, race, gender * **External Hordeolum** * **​**Involves more superficial gland of zeis at the base of the lashes * Often develop a pouting appearance * come to head & can pop like acne * Can be managed with topical therapy * **Internal Hordeolum** * **​**Involve deeper meibomian glands within the tarsal plate * May not realize actual size without everting the lids * Generally require oral therapy for resolution
88
Impetigo
* Superficial skin infection * Staph aureus * Strep pyogenes * Children * **Presentation:** Erythematous macule which develop into blisters * Golden-yellow crusting * **Tx:** antibiotics
89
Erysipelas
* St. Anthony's Fire * Uncommon, subcutaneous cellulitis * *Strep pyogenes* infection through open wound * **Presentation:** * Expanding, indurated, erythematous subcutaneous plaque * Fever * Malaise * **Tx:** oral antibiotics **​**
90
Necrotizing fasciitis
* Very rare rapidly progressive necrosis * ***Strep pyogenes*** * ***Staph aureus*** * Fatal if not treated * Periocular infection rare * Periorbital redness * Large bullae * Black discoloration of skin * **Complications** * **​**ophthalmic artery occlusion * Lagophthalmos * Disfigurement * Death * **Tx:** IV antibiotics **​**
91
What are some viral infections that could affect the eye?
* Molluscum contagiosum * Herpes zoster ophthalmicus * Herpes simplex
92
Molluscum contagiosum
* infection by **poxvirus** * **​**Direct person to person contact * physical contact with fomites * Peak incidence 2-4 yo * More frequent in developing countries * **Risks** * **​**Atopic dermatitis * Immunocompromised pt * **Presentation** * **​**Benign skin lesions * small, raised lesions with dimple center * white to pink color * 2-5mm diameter * May be itch, sore, red swollen * May occur anywhere on the body * Follicular conjunctivitis possible * **Treatment** * **​**Resolution 6-12 mos to 4 yrs * Prevention of spread * Dont scratch/touch * Frequent hand washing/change towels, bedding * Cover lesions * Avoid certain spots during active infection * **Topical therapy:** pdophyllotoxin cream **​** * **Oral therapy:** Cimetidine * Excision by shaving, cauterization, cryotherapy, laser
93
Herpes Simplex
* Viral infection * 2 serotypes HSV I & II * 90% positive for HSV I worldwide * Leading cause of **corneal blindness** worldwide * M=F * Transmission * **Direct contact** * **​**Person to person * Fomites * More likely while pt is symptomatic * **Primary infection** * **​**Incubation = 1-26 days, Infection = 10-14 days * Most pts asymptomatic * Systemic symptoms * Asymptomatic to severe presentations - 20% with h/o primary infection sx * Sudden onset * Characteristic vesicular lesions superimposed on inflammatory, erythematous base * Groupings of multiple vesicles in single anatomic site * Painful * 10-14 day course * Systemic sx * Fever * Malaise * **Recurrent infection** * **​**Virus lays latent in nerve cell bodies & reactivates in response to trigger * Prodromal sx common * 6-53 hrs prior to first appearance of first vesicles * Little to no systemic sx * Occur in 20-40% of population worldwide * **Prodromal sx**: pain, burning, tingling, pruritis * Shorter duration = 5 days * Recurrence 1x/month - 2x/year * Systemic sx rare = local lymphadenopathy * **Triggers** = UV exposure, fever, menstruation, emotional stress, trauma ( trigeminal nerve manipulation, dental extractions)
94
HSV I
* \>90% seropositive by 4th decade * affects eye, mouth, skin above waist * less commonly affects genitals * transmission by direct contact * recurrence more frequent in oral mucosa
95
HSV II
* Affects genitals * Less commonly affects eye - more severe * Sexual & neonatal transmission * Recurrence more common in genitals
96
Atopic Dermatitis/Eczema
* Idiopathic inflammatory condition causing itchy, red, irritated skin * Often appears on scalp, forehead, & face - rarely lids * **Sx** * Itching * Burning * Tenderness * **Presentation** * **​**Thickening, crusting, & fissuring of lids * Associations with *Staph* blepharitis & madarosis * **Tx** * **​**Topic emollients * Mild topical steroids
97
HSV | (Sx, ocular involvement, Tx)
* **Sx** * Tingling, itching, burning * Sores/blisters * Flu-like sx * Trouble urinating * Ocular involvement * **Ocular involvement** * **​**Recurrent disease most common * Lies dormant in sensory ganglia - usually trigeminal ganglion * **Triggers** * **​**Psychological stress * Physical trauma * Fever * UV light exposure * Viral infection * Topical ocular meds = Prostaglandins, B-blockers * **Immunosuppresion** * **Signs** * Unilateral * Herpetic blepharitis * Conjunctivitis * Keratitis * Retinitis * Scleritis * **Herpetic blepharitis** * **​**clear vesicles on red erythematous base on lid margin * occur in groups * lesions ulcerate & crust while healing * can lead to infection * Corneal migration high * **Treatment** * **​**Antiviral therapy * topical: Viroptic (trifluridine), zirgan (ganciclovir) * Oral: acyclovir, valacyclovir, famciclovir, ganciclovir * Steroids * Supportive * Surgical
98
Herpes Zoster
* Varicella zoster virus reactivation * Shingles * Primary infection is chickenpox * 32% of population will experience at sometime in their life * Incidence increases with age * 50% pt age 85 will have episode of zoster * **Risks** * **​**Age * Physical trauma * Disorders of cell-mediated immunity * Chronic lung or kidney disease * Organ transplant pts * Autoimmune disease * F\>M * **complications** * **​**Post-herpetic neuralgia = pain persisting \>4 months beyond onset of rash * Bacterial skin infection * Motor neuropathy * Meningitis * Herpes Zoster oticus * Ocular complications * Pts w/ 1+ . complications frequently have other comorbidities * DM, cancer, HIB, transplant pts * **Clinical manifestations** * **​**Occurs in restricted dermatome * rarely occurs in 2+ dermatomes at the same time * thoracic and lumbar most common * Preceded by prodroma pain * Rash = patches of clear vesicles over erythematous base * Acute neuritis * Systemic sx (\<20%) * HA * Fever * Malaise * Fatigue * **Herpes zoster ophthalmicus** * **​CN V1** * 50-70% experience direct ocular involvement * Prodrome * HA, Malaise, Fever, Unilateral pain or hypesthesia along CN V1 distribution * **Presentation** * **​**Vesicular lesions along scalp UL & tip of nose * **Hutchinson's sign** * Blepharitis * Conjunctival involvement * Corneal involvement - 65% * Iritis 40% * Retinal complications * Optic neuritis * Oculomotor palsies * **CN V Distribution** * **​**3 branches * **Opthalmic branch:** innervates scalp, forehead, upperlid,eye, tip of nose * **Maxillary branch:** innervates cheek, lower lid * **Mandibular branch:** innervates jaw, tongue * **Treatment** * **​**Antivirals - Oral, topical, IV * Topical steroids or NSAIDS * Antibiotics * Lubrication * Cool compresses
99
Allergic disorders of the eye
* Contact dermatitis * Atopic dermatitis
100
Contact Dermatitis
* **Skin rash occurring as a response to an irritant** * Sensitized to irritant on first exposure & develop reaction on subsequent exposures * May be immediate or delayed * **Dealyed type IV hypersensitivity** reaction * Any age, race, gender * **Causes** * Medications * Makeups * Metals * **Sx** - Itching, tearing **​** * **Presentation** * **​**Lid edema * Scaling * Angular fissuring * Chemosis * Redness * Papillary conjunctivitis * PEK * **TX** * **​**Stop exposure * PFATs * Cool compresses * Topical steroid * Steroid/antibiotic combo * Oral antihistamines
101
List Spasms & Palsies that can occur in the eye
* Myokymia * Blepharospasm * Hemifacial spasm * Bell's Palsy
102
Myokymia
* Involuntary, fine, continuous, undulating contractions that spread across the affected striated muslce * Any age - young, healthy * Generally unilateral * Transient & self-limiting - hours to days * **Triggers** * **​**Stress * Fatigue * Physical exertion * Increased caffeine/alcohol intake * **Sx** * **​**Jumping * Quivering * **Treatment** * **​**Spontaneous resolution * Stress reduction * Rest * Antihistamines * Quinine/Tonic water * Decrease caffeine, alcohol &/or tobacco consumption * BOTOX
103
Blepharospasm
* Dystonia of orbicularis oculi & other periocular muscles * Procerus muscle * Corrugator muscle * Benign essental blepharospasm * BILATERAL, involuntary orbicularis spasms * Synchronous * Symmetric * Female 3:1 * 6th decade * Remission & exacerbations * Mild annoyance to disabling * **Cause**: abnormal function of the basal ganglion from an unknown cause * **Symptoms** * **​**Increased blink rate * Spasm of involuntary lid closure * Fatigue * Emotional tension * Photophobia * **Triggers** * **​**bright lights * increased stress * **Treatment** * **​**None * BOTOX * Surgical
104
Hemifacial Spasm
* Uncontrollable twitching of muscles of half of the face * Muscle innervated by facial nerve * **Sx** * **​**Periodic twitching & spasms of the eyelids leading to closure * Spreads to involve other ipsilateral facial & neck muscle * **Cause** * **​**compression of facial nerve of the brainstem * Vascular anomalies, tumors, trauma * **Treatment** ​ * **Medication** * **​**Muscle relaxant * Mild cases * Tx sx * **Botox** * **​**4-9 mo of relief per injection * tx sx * **Surgical** * **​**Decompression of CN VII * Treats cause not sx
105
Bell's Palsy
* Acute, temporary facial paralysis from damage or trauma to CN VII * M=W * Any age - majority 15-60yo * Sx * Unilateral facial paralysis of acute onset * HA * Numbness * DES/FBS * Tearing * Drooling * Dysarthria - trouble articulating speech * Dysphagia - trouble or discomfort swallowing * **Signs** * **​**inability to move muscles of face * Smoothening of tone muscles * Drooping of eye, side of mouth * **Recovery** * **​**extent of nerve damage dictates healing * Sx improve w/in ~ 2wks * Complete recovery 3-6 months * **Treatment** * **​**None * Steroids * Antivirals * Supportive therapy * Covery eye - lubrication during daytime, taping/patching at night
106
What are some examples and risk for cosmetic procedures?
* **Tattoo** * **​**Eyeliner * Eyebrows * Permanent makeup application * UL/LL * **Risks** * **​**Same as other tattooed areas of the body * Infection * Allergy * Granulomas * Keloid formation * Removal * MRI complications
107
Describe the eyelash anatomy
* Cilia * Shed like hair * Regrow every 4-6wks * Approx. 100 per lid * Upper\>lower * Lash root near base of tarsal plate -\> passes through muscle -\> exits anterior lid margin * Curves away from the globe * Scarring of tarsal plate, conjunctiva or inflammation can lead to lash misdirection
108
List some eyelash disorders
* Trichiasis * Distichiasis * Eyelash ptosis * Trichomegaly * Madarosis * Hypotrichosis * Trichotillomania * Poliosis
109
Trichiasis
* Incredibly Common * Posterior misdirection of lashes arising from normal origin * **Causes** * occuring in isolation * Result from scarring - chronic blepharitis & HZO (Herpes zoster ophtalmicus) * **Symptoms** * **​**Asymptomatic * FBS - irritation worsens with blink * May cause corneal abrasions * **Treatment** * **​**Epilation * Electrolysis * Cryotherapy * Argon laser ablation * Surgery
110
Distichiasis
* **Congenital** * ​Rare * Germ cell differentiates to pilosebaceous unit instead of meibomian gland * Partial or complete 2nd row of lashes emerges behind meibomian gland orifices * Aberrant lashes thinner & shorter, often with posterior misdirection * Asymptomatic until about age 5 * **Acquired** * **​**Metaplasia & dedifferentiation or MG to become hair follicules * Variable number of lashes iwth originate from MG orifices * Cilia generally non-pigmented & stunted * Generally asymptomatic * **Cause** * Late stage cicatricial conjunctivitis * Stevens-Johnson syndrome * Ocular cicatricial pemphigoid * **Treatment** * **​Congenital** * **​**LL: cryotherapy * UL: lamellar eyelid division & cryotherapy * **Acquired** * **​**Mild: same as trichiasis * Severe: lamellar eyelid division & cryotherapy
111
Eyelash ptosis
* Downward sagging of UL lashes * Causes * Idiopathic * Associated with floppy eyelid syndrome * Dermatochalasis * Long-standing facial palsy
112
Trichomegaly
* Excessive eyelash growth * **Causes** * **​Acquired** - drug induced (topical PGAs), malnutrition, AIDS, porphyria, hypothyroidism * **Congenital** - various syndromes, may have retinal problems or mental retardation * **Treatment** * **​Lubrication** - protect the ocular surface **​** * Epilation * Treat underlying condition * Adjust medications
113
Madarosis
* Loss of lashes * Causes * Chronic anterior lid margin disease * Alopecia * SLE * Trichotillomania
114
Eyelash Hypotrichosis
* Less than normal amount of lashes * **Causes** * Hereditary * Aging * Chemotherapy or other medical tx * Idiopathic * **Complications** * **​**Cosmesis * Dry eye * Frequent ocular foreign bodies * **Treatment** * **​Latisse (Birmatoprost 0.03%)** * Prostaglandin analog * Approved * Initially used as IOP lower drug (**lumigan**) * **Side effects** * **​**IOP lowering * Eyelash growth - length, number & thickness * Increased pigmentation - skin, lashes iris * Conjunctival hyperemia * Stinging/burning * Anterior Uveitis
115
Trichotillomania
* Disorder of irresistible urge to pull out hair despite trying to stop * Generally scalp, eyebrows or lashes * Leaves bald patches * Develops in early teens * Associations * Depression * Anxiety * OCD * **Treatment** * Psychotherapy * Medications - non FDA approved * Antidepressants or antipsychotics
116
Poliosis
* Localized, premature whitening of lashes/eyebrows * Causes * Chronic anterior blepharitis * Vogt-Kayangi - Harada syndrome * Waardenburg syndrome * Vitiligo * Marfan syndrome