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Health Assessment > Eyes > Flashcards

Eyes Flashcards

1
Q

Two movable structures composed of skin and two types of muscle

A

eyelids

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2
Q

the two types of muscles that composed the eyelids

A

striated and smooth

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3
Q

protects the eye from foreign bodies and limit the amount of light entering the eye

A

eyelids

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4
Q

what does the upper eyelid contain that secrete oily substances to lubricate eyelids

A

meibomian glands

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5
Q

the eyelids join at two points:

A

lateral (outer) canthus and medial (inner) canthus

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6
Q

projections of stiff hair curving outward along the margins of the eyelids that filter dust and dirt from air entering the eye.

A

eyelashes

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7
Q

thin, transparent, continuous membrane

A

conjunctiva

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8
Q

conjunctiva is divided into 2 portions:

A

palpebral and bul-bar portion

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9
Q

consists of glands and ducts that lubricate the eye

A

lacrimal apparatus

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10
Q

located in the upper outer corner of the orbital cavity just above the eye, produces tears.

A

lacrimal apparatus

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11
Q

muscles control six different directions of eye movement.

A

extra ocular muscle

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12
Q

straight movement

A

four rectus muscles

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13
Q

diagonal movement

A

two oblique muscles

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14
Q

three cranial nerves in these muscles

A

oculomotor (III)
trochlear (IV)
abducens (VI)

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15
Q

dense, protective, white covering that physically supports the internal structures of the eye.

A

Sclera

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16
Q

window of the eye

A

cornea

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17
Q

continuous anteriorly with the transparent cornea

A

sclera

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18
Q

permits the entrance of light, which passes through the lens to the retina. It is well supplied with nerve endings, making it responsive to pain and touch.

A

cornea

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19
Q

a circular disc of muscle containing pigments that determine eye color

A

iris

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20
Q

central aperture of iris

A

pupil

21
Q

decrease of size of pupil

A

near vision

22
Q

dilation of pupil

A

far vision

23
Q

functions to refract (bend) light rays onto the retina

A

lens

24
Q

contains the vascularity necessary to provide nourishment to the inner aspect of the eye and prevents light from reflecting internally

A

choroid layer

25
Q

receives visual stimuli and sends it to the brain

A

retina

26
Q

cream-colored, circular area located on the retina toward the medial or nasal side of the eye

A

optic disc

27
Q

Snellen’s chart for clients unable to read

A

Snellen E Chart

28
Q

the degree of detail the eye can discern in an image

A

Visual acuity

29
Q

the area an individual can see when looking straight ahead

A

visual fields

30
Q

nearsightedness

A

myopia

31
Q

farsightedness

A

hyperopia

32
Q

loss of elasticity of the lens and thus loss of ability to see close objects

A

presbyopia

33
Q

an uneven curvature of the cornea that prevents horizontal and vertical rays from focusing on the retina, is a common problem that may occur in conjunction with myopia and hyperopia.

A

astigmatism

34
Q

inflammation of the bulbar and palpebral conjunctiva

A

conjunctivitis

35
Q

inflammation of the lacrimal sac

A

dacryocystitis

36
Q

redness, swelling, and tenderness of the hair follicle and glands that empty at the edge of the eyelids

A

hordeolum (sty)

37
Q

inflammation of the iris

A

frills

38
Q

black eyes

A

contusion or hematomas

39
Q

opacity of the lens or its capsule, which blocks light rays, is frequently removed, and replaced by a lens implant

A

cataracts

40
Q

eyelids that lie at or below the pupil margin

A

ptosis

41
Q

eversion, outturning of the eyelid

A

ectropion

42
Q

inversion, interning of the lid

A

entropion

43
Q

enlarged pupils, may indicate injury or glaucoma, result from certain drugs

A

mydriasis

44
Q

constricted pupils, may indicate an inflammation of the iris or result from such drugs as morphine or pilocarpine, age-related change in older adults.

A

miosis

45
Q

unequal pupils may result from a central nervous system disorder

A

anisocoria

46
Q

normal involuntary blinks for a minute

A

15 to 20

47
Q

20/200

A

legally blind

48
Q

accurate procedure in the visual acuity test?

A

The right eye is tested followed by the left eye, and then both eyes are tested.

Health Assessment (5 decks)

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