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Phys Diag- Block I > Eye > Flashcards

Eye Flashcards

1
Q

flame shaped and dot-blot hemorrages might be an indication of

A

diabetes

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2
Q

Emmetropia

A

normal vision

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2
Q

Grid

A

Estimation of the size and location of lesions

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2
Q

Lipemia Retinalis

A

blood vessels become progressively pink them white as triglyceride levels rise.

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2
Q

normal cup/disc ratio

A

0.5

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3
Q

LR6SO4AR3

A

Lateral Rectus (CN VI), Superior Oblique (IV); all the rest III

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4
Q

diopter settings

A

Lenses in varying powers of magnification are used to focus on the structure being examined by either diverging or converging the light.

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4
Q

Emmetropia

A

normal refractive condition of the eye, light accurately focused on retina

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5
Q

sclera

A

provide strength, structure, and protection

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5
Q

Visual impairment/loss

A

any fraction under 20/20 refers to some form of visual impairment

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6
Q

retina

A

transforms light impulses into electrical impulses

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7
Q

cornea

A

focusing the light that comes into our eyes.

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8
Q

Diplopia

A

Double vision

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9
Q

what is legal blindness

A

20/200

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9
Q

macula

A

responsible for detailed central vision

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9
Q

pupils should be

A

PERRLA - equal, round, reactive to light (with accomidation)

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10
Q

external examination of the eye should start with the ______________ and moved inward.

A

eyebrows

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11
Q

what is another name for corneal light reflex?

A

Hirschbergs test

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11
Q

the conjunctiva should be

A

translucent and free of erythema

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12
Q

hypotropia

A

eye turns down

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13
Q

order from the most exterior structure to the most intertior 1) lens 2) cornea 3) pupil

A

2, 3, 1

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14
Q

Hyperopia

A

Visual image is focused beyond the retina

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14
Q

key compontent for external eye exam

A

symmetry or asymmetry

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15
Q

choroids

A

supplies oxygen to the outer layer of the retina.

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16
Q

Eye Muscles

A

superior, inferior, medial, and lateral rectus muscles. superior and inferior oblique muscles

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18
Q

order from the most exterior structure to the most intertior 1) choroid 2) sclera 3) retina

A

2, 1, 3

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19
Q

test for peripheral vision

A

confrontation test

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20
Q

pupil

A

which light travels to the retina

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21
Q

presbyopia

A

aging vision - lens loses ability to focus - difficulty up close

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22
Q

Myopia

A

Visual image is focused in front of retina

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22
Q

check surrounding eye structures for

A

size, texture, and extension of hair, edema in orbital and preorbital area a

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24
Q

what two structures of the eye are avascular?

A

sclera and cornea

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25
Q

what does corneal light relfex test for?

A

strabismus

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25
Q

sharply defined borders, yellow in color, clusters near vessels and caused by lipid transudation through incompetent capillaries, might be

A

diabetes

26
Q

Cobalt Blue Light

A

Used to elicit the fluorescence of a dye fluorescein when added to the eye, good for Lesions from herpes simplex virus or small corneal abrasion

27
Q

an EOMSs can is used to evaluate

A

conjugate gaze, nystagmus, lid lag

28
Q

eyelids should be inspected for

A

fasciculations or tremors of eye

30
Q

lens should be

A

transparent

31
Q

Lacrimal Gland

A

tear production

32
Q

Exophthalmos/Proptosis

A

Bulging of eye anteriorly out of orbit

34
Q

conjugate gaze

A

movement of both eyes with the visual axes parallel.

36
Q

Exopthalmos

A

increased volume of the orbitalcontent, causing protrusion of the globes. (bug eyes)

37
Q

test for color vision

A

using primary colors

38
Q

esotropia

A

eye turns in

40
Q

blood vessels that are appearing pink to white might be an indication of

A

hypercholesteremia

42
Q

myopia

A

nearsightness - far objects are blurred

43
Q

hyperopia

A

farsightness - near objects are blurred

43
Q

Anisocoria

A

Unequal size of pupils.

44
Q

optic nerve

A

ransmits electrical impulses from the retina to the brain - CNS

45
Q

eyelid

A

distributes tears over the surface of the eye, limits the amount of lights entering it, and protects the eye from foreign bodies

46
Q

OU

A

both eyes Oculus uterque

48
Q

optic disc

A

point where the axons of retinal ganglion cells come together.

49
Q

visual acuity measures

A

the discrimination of small details, CN II (optic nerve), measurement of central vision

50
Q

Ptosis

A

Congenital or acquired weakness of levator muscle or paresis of occulomotor (III) - dropping of upper eyelid

50
Q

10+ and -20 you should see

A

see the iris

51
Q

cornea should have

A

clarity, with no blood vessels present

52
Q

lens

A

contraction or relaxation of the ciliary body changes its thickness, allowing images of various distances to be focused by the retina.

53
Q

hypertropia

A

eye turns up

55
Q

chart used for direct central vision

A

Snellen

57
Q

palpate the eyelides for

A

nodules

58
Q

the higher the diopter number the _______ magnification you will have, with a _______ field of vision

A

less, wider

59
Q

iris

A

controls the amount of light that is able to reach the retina

60
Q

pseduostrabismus

A

false strabismus, more often with Native Americans and East Asian infants

62
Q

exotropia

A

eye turns out

63
Q

OS

A

left eye - oculus sinister

64
Q

Strabismus

A

Both eyes do not focus on an object simulatneously, but can focus with either eye

65
Q

grey colored ring around the cornea might be an indication of

A

hypercholesteremia

66
Q

cotton wool spots, decreased arteriole size, hemorrages, and papilledema, might be an indication of

A

hypertension

67
Q

iris should have

A

a clear pattern

69
Q

Small Aperture

A

Used for examinations with small pupils

70
Q

OD

A

right eye - oculus dexter

71
Q

Polarizing Filter

A

Used to reduce glare

72
Q

Large Aperture

A

large or dilated pupils.

73
Q

retinopathy.

A

changes in retinal vessels, thinning

75
Q

fovea

A

center most part of macula

76
Q

Astigmatism

A

Blurred vision caused by irregular shape of cornea or irregular curvature of lens

77
Q

sclera should be

A

white

78
Q

Nysagmus

A

evaluate during extraocular muscle testing

79
Q

thyroid disease - indication in eye

A

stare sign, enlargement and pushing forward of eye

80
Q

Slit

A

determination of the elevation of lesions

81
Q

nystagmus

A

involuntary eye movement

82
Q

cililary body

A

produces the aqueous humor (btwn lens and cornea) and provides accommodation (focusing)

83
Q

conjunctiva

A

thin, transparent tissue that covers the outer surface of the eye

84
Q

Pappilledema

A

central vessels pushed forward, veins dilated, venous pulsations not present, and hemorrage

Phys Diag- Block I (7 decks)

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