Mnemonics 1 Flashcards
ISNT rule
Neuroretinal rim is usually thickest in the following order: inferior, superior, nasal, temporal
Roy G. Biv
From longest wavelengths to shortest
Red, Orange Yellow
Green
Blue, Indigo, Violet
RAM GAP
Red add minus
Green add plus for duochrome testing
ICE
Remember iridocorneal endothelial syndrome with:
- Iris Nevus
- Chandlers
- Essential Iris atrophy
Glaucoma + STUMPED
For congenital cloudy corneas:
- Sclerocornea
- Trauma (tears from birth)
- Ulcers
- Metabolic Disorders
- Peter’s Anomoly
- Endothelial Dystrophy
- Dermoids
PIGMENT
Causes of trabecular pigmentation
- Pseudoexfoliation + Pigment dispersion
- Iritis
- Glaucoma (post angle closure)
- Melanosis (oculodermal melanosis)
- Endocrine (Addision’s, Diabetes)
- Nevus (Cogan Reese Syndrome) + neoplasm
- Trauma
N and N Can Lyse Hole Skin
- Microorganisms that can penetrate epithelium without barrier defect.
- Neiseria gonorrhea, Neiseria meningitidis, Corynbacterium diptheria, Listeria, Hemophillus influenza, Shigella
Marylin Monroe Always Gets Her Men in L.A. County
Stromal Dystorphies (3 of them)
- Macular dystrophy
- Mucopolysaccharide
- Alcian Blue
- Granular Dystrophy
- Hylanine Material
- Masson’s trichrome
- Lattice Dystrophy
- Amyloid
- Congo Red
Passing Tough Tests Mostly Means Late Cramming
- Ddx for chronic folliculosis
* Parinauds syndrome, Trachoma, Toxins, Molloskum, Morexella, Lyme, Chlamydia
Adeno Hardly Ever Happens to Careful Nuns
- Ddx for acute follicular conjunctivitis
* Adeno virus, herpes, EBV, Hemorrhagic conjunctivitis, Chlamydia, Newcastles
HAZE ETC
- Ddx for corneal dendrite
* HSV, Acanthomeba, Zoster, Epi defect, EBV, Thygesons, Tyrosinemia II CL overwear
In Kenya Cogan Saw Two Laughing Hyenas Making LOve
- Ddx for interstial keratitis
* Interstial Keratitis, Cogan’s syndrome, Chlamydia, Syphilis, TB, Laughing, HSV/HZV, Measles, Leishmania, Onchocerca
PHACES
Posterior fossa malformation Hemangioma Arterial malformations Cardiac anomalies Eye anomalies Sternal anomalies
MALE
Vertical transposition of horizontal muscles in alphabet pattern deviations without OEAd or ODad Medial towards Apex Lateral towards Empty space
PEPSI
Ddx for angiod streaks
- pseudoxanthoma elasticum
- ehlers-danlos syndrome
- pagets disease of bone
- sickle cell disease
- idiopathic (elderly)
MAN oR GIRL
Ddx for enlarged corneal nerves
- Men IIb
- Acanthomoeba
- Neurofibromatosis
-Refsum disease
- Glaucoma
- Ichthyosis
- Riley-day
- Leprosy
LARGe
BIG3H (TGFb gene) associated corneal dystrophies are
- Lattice (type 1 and 2)
- Avelino (granular type 1 and 2)
- Reis-Buckler/thiel-behnke
- granular
- ebmd (sometimes)
MAS BAMPS
Mewds
APMPPE (acute posterior multifocal placoid pigment epitheliopathy)
Serpiginous choriodapthy
Birdshot choroidopathy Azoor Multifocal choroiditis and pan uveitis syndrome Punctate inner choroidopathy Subretinal Fibrosis and Uveitis syndrome
To Find Small Ocular Melanomas Using Helpful Hints
Thickness (greater than 3mm) Fluid (SRF) Symptoms (flashes, decreased va) Orange pigment Margins within 3 mm of ON Ultrasound hollowness Halo (absence of)
Crystaline deposit patterns in Bietti vs Schnyder’s/Cystinosis
Bietti crystaline retinopathy at the Border
Cystinosis/Schnyder’s are at the center
T’s of Terrien’s
Top (superior location) Thinning of the cornea Thirties (usually this age group) Traverses (pannus traverses ulcer) Transplant (crescent shaped lamellar if perforation)
To Many Nits Can BE retinal crystals
Drug causes of crystal retinopathy: Tamoxifen Methoxyflurane Nitrofurantoin Canthaxanthine Bietti's retinopathy Ethyl Glycol (anti-freeze)
Also Talc emboli
MVP CIS
Ddx for wet AMD (not complete but a good start)
Macroaneurysms
Viteliform detachments (e.g. adult vitelliform dystrophy)
Polypoidal choroidal vasculopathy
Central serous
Inflammatory conditions
Small tumors (i.e. choroidal melanoma)
CAR and MAR
CAR (cancer associated Retinopathy)
Cones
And
Rods (not as much as cones though)
MAR (Melanoma associated retinopathy)
Melanoma
Affects
Rods
