Chapter 17 Practice Eye Flashcards

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1
Q

impairment of vision due to old age

A

presbyopia

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2
Q

white portion of the eye

A

sclera

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3
Q

swelling in the region on the optic disc

A

papilledema

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4
Q

nearsightedness

A

myopia

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5
Q

double vision

A

diplopia

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6
Q

pertaining to paralysis of the ciliary muscles of the eye

A

cycloplegic

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7
Q

inflammation of the cornea

A

keratitis

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8
Q

defective curvature of the cornea of lens of the eye

A

astigmatism

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9
Q

absence of the lens of the eye

A

aphakia

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10
Q

process of recording blood vessels in the back of the eye after intravenous injection of a dye

A

fluorescein angiography

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11
Q

fluid produced by the ciliary body; circulates through the anterior chamber of the eye

A

aqueous humor

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12
Q

clouding of the lens, causing decreased vision

A

cataract

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13
Q

loss on vision in one half of the visual field

A

hemianopsia

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14
Q

inflammation of the iris

A

iritis

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15
Q

abnormal deviation of the eye (esotropia and exotropia)

A

stabismus

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16
Q

pupils are of unequal size

A

anisocoria

17
Q

visual examination of the eye

A

ophthalmoscopy

18
Q

progressive damage to the yellowish region of the retina (lateral and slightly below the optic disc)

A

muscular degeneration

19
Q

small, hard cystic mass on the eyelid

A

chalazion

20
Q

delicate membrane lining the eyelids and covering the anterior eyeball

A

conjunctiva

21
Q

increased intraocular pressure results in retinal and optic nerve damage

A

glaucoma

22
Q

deterioration of the macula lutea of the retina

A

muscular degeneration

23
Q

retinal microaneurysms, hemorrhages occur secondary to an endocrine condition

A

diabetic retinopathy

24
Q

localized purulent infection of a sebaceous gland in the eyelid

A

hordeolum (stye)

25
Q

clear tissue that covers the front portion of the eye

A

cornea

26
Q

having two sides that are rounded, elevated and curved evenly; characteristic of the lens of the eye

A

biconvex

27
Q

middle, vascular layer of the eye, between the retina and sclera

A

choroid

28
Q

tiny pit or depression in the retina that is the region of clearest vision

A

fovea centralis

29
Q

normal adjustment of the eye to focus on objects from far to near

A

accommodation

30
Q

structure on either side of the lens that connects the choroid and the iris; it alters the shape of the lens

A

ciliary body

31
Q

area behind the cornea and in front of the lens and iris

A

anterior chamber

32
Q

soft, jelly-like material behind the lens; maintains the shape of the eyeball

A

vitreous humor

33
Q

photoreceptor cell essential for vision in dim light and for peripheral vision

A

rod

34
Q

photoreceptor cell in the retina; responsible for colour and central vision

A

cone