Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Eye Anatomy > Eye Conditions - What/Causes > Flashcards

Eye Conditions - What/Causes Flashcards

1
Q

What is Meibomian gland dysfunction (MGD)

A

Blockage of the meibomian glands

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

What is the cause of MGD?

A

When the glands in your eyelids are blocked or obstructed.

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

What is Giant Papillary Conjunctivitis (GPC)? (3)

A

Papillae (nipple) on tarsal, cobblestone appearance
Conjunctival Redness
Conjunctival Oedema

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

What can cause GPC? (3)

A

Excess lens movement
Coated contact lens
Mucus discharge

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

What is a Pinguecula? (3)

A

Fat cysts on sclera
Yellow/Pink Growth
Common

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What can cause Pingueculas? (4)

A

UV
Dust
Wind
UV exposure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a Pterygium? (3)

A

A growth that usually starts nasally
Can grow onto the cornea
Asymptomatic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What can cause Pterygium? (4)

A

UV
Dust
Wind
People who spend time outdoors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is Blepharitis? (2)

A

Dandruff on eyelashes
2 types bacterial inflammation + sebaceous inflammation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What can cause Blepharitis? (4)

A

Allergies
Poor Hygiene
Sebaceous - Oily eyelids/ lashes, swollen and/or itchy lids
Bacterial - crusty lids, yellow discharge, red lids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a Hordeolum/Stye? (2)

A

Red, painful bump on eyelid
Normally on edge of eyelid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What can cause a Hordeolum/Stye? (2)

A

Infection
Plugged Sebaceous glands (hair follicle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is a Chalazian? (2)

A

Painless bump in your eyelid
Usually upper lid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What can cause Chalazians? (3)

A

Blocked oil glands
Chronic blepharitis
Viral Infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a corneal ulcer?

A

Erosion or open sore on cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What can cause corneal ulcers? (6)

A

Can be Bacterial, Viral, Parasite or Fungal infections.
Corneal Abrasion, foreign body imbedded in CL
Improper Hygiene
Cls Worn Overnight
Abuse of Cls
Cls solution contaminated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is Keratoconus? (2)

A

Degenerative disease of the cornea
Cornea gets thinner + bulges forward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What can cause keratoconus? (2)

A

Genetics
Eye Rubbing - hayfever, eczema, atopic dermatitis

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

What is an imbedded foreign body?

A

Something stuck in eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What can cause an imbedded foreign body? (3)

A

Accident
Projectile/ Blow to the eye
Something trapped by cl or lids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is Conjunctivitis/Pink Eye? (5)

A

Inflammation
Red and Itchy eyes
Discharge
Eyelids can be hard to open after sleep due to crusty eyes
No pain to Painful

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What can cause Conjunctivitis/ Pink Eye? (3)

A

Allergic reaction (to atmosphere/chemical/ medicine)
Bacterial Infections (Yellow)
Viral Infections

21
Q

What is Corneal Vascularization?

A

Superficial vessels from conjunctiva to complete encroachment.

22
Q

What are types of Corneal Vascularization? (3)

A

Superficial
Deep Stromal
Corneal vascular pannus (limbus to peripheral of cornea)

23
Q

What is Arcus Senilis? (4)

A

White/Grey/ Yellow ring around the corneal margin (limbus)
Mostly seen in the elderly
Will not go away
Asymptomatic

24
Q

What can be the cause of Arcus Senilis?(3)

A

Aging
Fatty Deposits
High Cholesterol

25
Q

What is a corneal abrasion?

A

Minor trauma to ocular surface

26
Q

What can cause corneal abrasions? (3)

A

Foreign body
Insertion and removal of cls
Rubbing with alot of pressure

27
Q

What is a Corneal Dendrites? (2)

A

Very Painful
Dendrite branch like lesions

28
Q

What can cause Corneal Dendrites? (2)

A

Herpes simplex virus
Epithelium break down

29
Q

What is Expothalmos?

A

Eyeballs bulging/ protruding

30
Q

What can cause Expothalmos?

A

Hyperthyroidism (Grave’s Disease)

31
Q

What is Distichiasis?

A

More than one row of eyelashes (can turn inwards)

32
Q

What is Trichiasis?

A

Eye lashes no longer point outwards but instead point inwards and rub on the eyeball

33
Q

What can cause Distichiasis?

A

Congenital or acquired

34
Q

What can cause Trichiasis? (2)

A

Entropion
Eyelid Injuries

35
Q

What is Ectropion ?

A

Where the lower eyelid droops away from the eye and turns outwards

36
Q

What can cause Ectropion? (2)

A

Lid Edema
Bell’s Palsy (CN VII - cranial nerve 7 - Facial nerve)

37
Q

What is Entropion?

A

Where your eyelid turns in and causes your eyelashes to rub against the cornea

38
Q

What can cause Entropion? (5)

A

Muscle Weakness
Scars and previous surgeries
Eye infections
Inflammation
Development complications

39
Q

What is Ptosis?

A

Drooping of the eyelid (mostly upper eyelid) in Adults and Children

40
Q

What can cause Ptosis?

A

Third Nerve Palsy

41
Q

What is a Cataract?

A

Cloudiness of crystalline lens

42
Q

What is happening in the lens when you have cataracts?

A

When the proteins in the lens break down over time and clump together

43
Q

What is Coloboma?

A

Part of the tissue that makes up the eye is missing

44
Q

What can cause Coloboma? (2)

A

Genetic
Trauma

45
Q

What is a subconjunctival Hemorrhage?

A

occurs when a tiny blood vessel breaks just underneath the conjunctiva

46
Q

What can cause a Subconjunctival Hemorrhage? (3)

A

It can happen for no reason
On impact (punched)
Excessive force (lifting)

47
Q

What is a Superficial Punctate Keratits/Staining ? (2)

A

corneal inflammation with scattered, fine, punctate corneal epithelial loss or damage
Fluorescein staining shows it on the corneal surface

48
Q

What can cause Superficial Punctate Keratits/Staining ? (3)

A

Contact lens solution-sensitive
Poor lens fit
Severe dry eye

49
Q

What is Limbal Injection?

A

Increase in blood vessels around the Limbus

50
Q

What can cause Limbal Injection? (2)

A

Dry Eyes
Irritation

51
Q

What is a corneal dellen? (4)

A

Dimple or dry spot on the cornea
saucer shaped
irritation
foreign body sensation

52
Q

what can cause corneal dellens? (2)

A

Interruptions to the tear film
surgery on cornea

Eye Anatomy (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions