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Medical Terminology > Eye Medical Terms > Flashcards

Eye Medical Terms Flashcards

1
Q

what is acommodation

A

adaptation of the eye for near vision by increasing the curvature of the lens

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2
Q

Photophobia

A

the inability to tolerate light

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3
Q

Anisocoria

A

unequal pupil size, 2 different sizes

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4
Q

diplopia

A

double vision
-the perception of 2 images of a single object

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5
Q

Lacrimation

A

tearing

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6
Q

Excessive tearing

A

-epiphora

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7
Q

Strabismus

A

deviation in the axis of the eye (squint, crossed eye)

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8
Q

Scotoma

A

a blind spot surrounding by an area of normal or decreased vision

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9
Q

Nystagmus

A

involuntary rapid rhythmic movement of the eyeball a fine oscillating movement best seen around the iris

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10
Q

Ptosis

A

dropping if the upper lid margin over iris and possibly covering pupil

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11
Q

lid lag

A

abnormal white rum of sclera visible between the upper eyelid and the iris when a person moves the eye downward

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12
Q

Miosis

A

constricted fixed pupils

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13
Q

Mydriasis

A

fixed and dilated pupils

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14
Q

Myopia

A

nearsighted refractive errors in which near vision is better than far vision

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15
Q

Hyperopia

A

farsighted refractive error in which far vision is better than near vision

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16
Q

Presbyopia

A

Decrease in power of accommodation that occurs with aging
(because the lens loses elasticity becoming hard and glasslike)

17
Q

Glaucoma

A

A group of eye diseases characterized by increased intraocular pressure, an optic nerve neuropathy

18
Q

cataract

A

Opacity of the lens of the eye, a clouding of the crystalline lens
from clumping of proteins, that develops slowly with aging and
gradually obstructs vision

19
Q

Cranial Nerve III (Oculomotor Nerve)

A

Causes constriction of the pupil by stimulating parasympathetic
branch and is the motor efferent path of the subcortical reflex
arc

20
Q

Cranial Nerve II (Optic Nerve)

A

Is the sensory afferent path of the subcortical reflex arc

21
Q

Cranial Nerves III (Oculomotor
Nerve), IV (Trochlear Nerve), VI
(Abducens Nerve)

A

Stimulates extraocular muscles to give the eye both straight and
rotary movement

22
Q

Corneal reflex

A

Contact with a wisp of cotton stimulates a blink in both eyes (CN V)carries afferent sensation and CN VII carries efferent message for
blink)

23
Q

Exophthalmos

A

Protruding eyeballs

24
Q

Enophthalmos

A

Sunken eyeballs

25
Q

Entropion

A

Lower eyelid rolling inward

26
Q

Ectropion

A

Lower eyelid loose and rolling outward

Medical Terminology (11 decks)

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