Special Senses (eyes and ears) Pathology Terms EYE

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created 9 years ago by msmush22
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1

amblyopia

brain disregards images from the weaker eye and relies on stronger eye.

Lazy eye

2

astigmatism

abnormal curvature of the cornea that distorts visual images

3

blepharitis

noncontagious inflammation of eyelash follicles and oil glands along eyelids

4

cataract

cloudiness of the lens,

From:protein deposits as a result of aging, disease or trauma.
Side effect from smoking or medications

5

central scotoma

blind spot in the center of visual field

6

chalazion

small benign cyst in the eyelid

Formed by: distention of meibomian gland (sebaceous gland)

7

conjunctivitis

inflammation of the conjunctiva

Pinkeye

8

diabetic retinopathy

From: Diabetes

progressive damage to vessels and other structures of retina, can cause blindness

9

ectropion

lower eyelid turned outward and droops more with aging

10

entropion

eyelids edges turned inward and rub the surface of eye.

usually affecting lower eyelid

11

glaucoma (acute)

"rapid drainage"
sudden blockage of aqueous-humor outflow causes a rapid increases in intraocular pressure.

Can cause loss of vision

12

glaucoma (chronic)

"slow drainage"
aqueous humor drains too slowly causes intraocular pressure.

can cause vision loss

13

hordeolum

infected sebaceous gland of eyelid

stye

14

hyperopia

farsightedness

rays focus behind retina

15

hypertensive retinopathy

hypertension causes destructive retinal changes

16

keratitis

inflammation of the cornea

17

legal blindness

vision of 20/200 or less or visual field of 20 degrees or less in the better eye

*loss in visual acuity that prevents a person from performing work requiring eyesight*

18

macular degeneration

macular deterioration resulting in central vision loss
Categorized as atrophic (dry) or exudative (wet)

19

myopia

nearsightedness (only see a short distance)

light rays focus in front of the retina

20

nystagmus

involuntary back and forth or cyclical movements of the eyes

21

ophthalmology

study of the structure, functions and diseases of the eye

22

presbyopia

unable to focus on near objects,
occurs in people entering their 40s

23

retinal detachment

separation of inner sensory layer of retina from outer pigment layer

24

strabismus

misalignment of eyes
effects depth perception
Exotropia = eyes turned outward
Esotropia = eyes turned inward
Hypertropia = eyes upward
hypotropia = eyes downward

25

uveitis

intraocular inflammatory disorder