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PA > ch. 14 > Flashcards

ch. 14 Flashcards

0
Q

Anisocoria

A

Unequal pupil size

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1
Q

Accommodation

A

Adaption of the eye for near vision by increasing te curvature of the lens

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2
Q

Arcus senilis

A

Gray-white arc or circle around the limbus of the iris that is common with aging

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3
Q

Argyll Robertson pupil

A

Pupil does not react to light; does constrict with accommodation

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4
Q

Astigmatism

A

Refractive error of vision due to differences in curvature in refractive surfaces of the eye (cornea and lens)

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5
Q

A-V crossing

A

Crossing paths of an artery and vein in the ocular fundus

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6
Q

Bitemporal hemianopsia

A

Loss of both temporal visual fields

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7
Q

Blepharitis

A

Inflammation of the glands and eyelash follicles along the margin of the eyelids

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8
Q

Cataract

A

Opacity of the lens of the eye that develops slowly with aging and gradually obstructs vision

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9
Q

Chalazion

A

Infection or retention cyst of a meibomian gland, showing as a beady nodule on the eyelid

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10
Q

Conjunctivitis

A

Infection of the conjunctiva, “pinkeye”

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11
Q

Cotton-wool area

A

Abnormal soft exudates visible as gray-white areas on the ocular fundus

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12
Q

Cup-disc ratio

A

Ratio of the width of the physiologic cup to the width of the optic disc, normally half or less

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13
Q

Diopter

A

Unit of strength of the lens settings on the opthalmoscope that changes focus on the eye structure

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14
Q

Diplopia

A

Double Vision

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15
Q

Drusen

A

Benign deposits on the ocular fundus that show as round yellow dots and occur commonly with aging

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16
Q

Ectropion

A

Lower eyelid loose and rolling outward

17
Q

Entropion

A

Lower eyelid rolling inward

18
Q

Exophthalmos

A

Protruding eyeballs

19
Q

Fovea

A

Area of keenest vision at the center of the macula on the ocular fundus

20
Q

Glaucoma

A

A group of eye diseases characterized by increased intraocular pressure

21
Q

Hordeolum

A

Stye; red, painful pustule that is a localized infection of hair follicle at eyelid margin

22
Q

Lid lag

A

The abnormal white rim of sclera visible between the upper eyelid and the iris when a person moves the eyes downward

23
Q

Macula

A

Round, darker area of the ocular fundus that mediates vision only from the central visual field

24
Q

Microaneurysm

A

Abnormal finding of round red dots on the ocular fundus that are localized dilations of small vessels

25
Q

Miosis

A

Constricted pupils

26
Q

Mydriasis

A

Dilated pupils

27
Q

Myopia

A

“Nearsighted”; refractive error in which near vision is better than far vision

28
Q

Nystagmus

A

Involuntary, rapid, rhythmic movement of the eyeball

29
Q

OD

A

Ocular dexter, or right eye

30
Q

Optic atrophy

A

Pallor of the optic disc due to partial or complete death of optic nerve

31
Q

Optic disc

A

Area of ocular fundus in which blood vessels exit and enter

32
Q

OS

A

Oculus sinister, or left eye

33
Q

Papilledema

A

Stasis of blood flow out of the ocular fundus; sign of increased intracranial pressure

34
Q

Presbyopia

A

Decrease in power of accommodation that occurs with aging

35
Q

Pterygium

A

Triangular opaque tissue on the nasal side of the conjunctiva that grows toward the center of the cornea

36
Q

Ptosis

A

Drooping of upper eyelid over the iris and possibly covering pupil

37
Q

Red reflex

A

Red glow the appears to fill the person’s pupil when first visualized through the ophthalmoscope

38
Q

Strabisus

A

Squint, crossed eye; disparity of eye axes

39
Q

Xanthelasma

A

Soft, raised yellow plaques occurring on the skin at the inner corners of the eyes

PA (16 decks)

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