Ophthalmologic Examination Flashcards

1
Q

Bulbar conjunctiva

A

Conjunctiva that covers the outer surface of the eye

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2
Q

Palpebral conjunctiva

A

Conjunctiva that coats the inside of the eyelids. Must pull down to see

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3
Q

Where is lacrimal gland located

A

On the upper eyelid, just under brow

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4
Q

Superior rectus muscle

A

Up and out

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5
Q

Inferior rectus muscle

A

Down and away

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6
Q

Medial rectus muscle

A

Inward

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7
Q

Lateral rectus muscle

A

outward

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8
Q

LR6SO4

A

Lateral rectus=CN 6

Superior oblique=CN 4

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9
Q

Which eye muscles are controlled by CN III?

A

Everything except lateral rectus and superior oblique

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10
Q

Lid lag

A

when the pt looks down and the eyelid does not go with. usually will see a big part of the sclera. indicative of hyperthyroidism

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11
Q

Inferior oblique muscle

A

up and in

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12
Q

Superior oblique muscle

A

Down and in

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13
Q

Macula

A

Site of central vision

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14
Q

Proptosis

A

Protrusion of the eyeball. Exophthalmos means the same thing

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15
Q

Legal blindness

A

20/200. Pt can see at 20’ what a normal person sees at 200. Correctable up to 20/200

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16
Q

Visual impairment

A

Reduction in vision that cannot be corrected with standard lenses

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17
Q

exophthalmos

A

Protrusion of the eyeball.

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18
Q

nystagmus

A

involuntary eye movement (twitching)

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19
Q

strabismus

A

Eye misalignment. Intermittent or continues

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20
Q

emmetropia

A

Normal vision

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21
Q

myopia

A

Nearsightedness. Image is focused in front of retina. Cant seen things far away

22
Q

diplopia

A

double vision

23
Q

hyperopia

A

Farsightedness. Image is focused behind retina. Cant see things up close

24
Q

astigmatism

A

Blurred vision due to irregular corneal shape or the curve of the lens

25
presbyopia
Old eyes. Lens loses ability to focus. Cant see up close
26
mydriasis
Dilation of the pupil, usually caused by disease, drugs or trauma
27
miosis
Constriction of the pupils
28
anisocoria
One pupil is more dilated than the other
29
ptosis
Drooping of the eyelids
30
Exotropia
Strabismus where the eye tracks out
31
Esotropia
Strabismus where the eye tracks in
32
What do you use to test visual acuity? (AKA direct central vision)
Rosenbaum chart | OD, OS, OU
33
How do you test peripheral vision
``` Confrontation. Wiggling fingers Pt covers R eye, I cover R eye wiggle fingers at 12 and 6 o'clock wiggle fingers at 10 and 8 o'clock I switch and cover L eye wiggle fingers at 2 and 4 o'clock ```
34
How do you test for pupil dilation
Consensually and directly | Shine light in eye, look for constriction. Remove, shine light in in eye again, look for constriction in opposite eye
35
Consensual pupil constriction
When opposite eye constricts
36
How do you test for anterior chamber depth
shine light tangentially from side of eye. If entire iris color is seen chamber depth is adequate
37
How do you test for glaucoma
push on the eyes with eyelids shut
38
What does accommodation test for
Pupil constriction
39
How do you do accommodation test?
Have pt focus on an object in the distance. Bring pen in close have them refocus on it. pupils should constrict
40
How do you test for EOMS
6 cardinal directions
41
What do you look for with EOMS
nystagmus, lid lag, conjugate gaze
42
How do you test for strabismus
1. Corneal light reflex 2. Cover-uncover test Pt stares straight ahead, cover one eye, remove and watch for eye movement as pt focuses on object in distance
43
How do you test for color vision
Use a color plate and ask the patient to pick out primary colors
44
diopter setting
wheel on side of opthalmoscope. Allows for focusing
45
polarizing filter
reduces glare during exam
46
cobalt blue light
Used with fluorescein dye. Lesions and abrasions
47
What degree should you approach the pt at for ophthalmoscopy
10-15 degrees
48
What should you see in retina during ophthalmoscopy
optic disc, arteries, veins, optic cup fovea/macula
49
What will you see in a diabetic patient
Increase in vascularity near the macula, hemorrhage, or yellow cotton wool spots, micro -aneurysms, hard exudates
50
What will you see in a hypertensive patient
Cotton wool spots, yellow areas
51
What will you see in a pt with thyroid disease
Proptosis eyeballs, lid lag, startled expression
52
What will you see in a pt with hypercholesteremia
Yellow deposits on eyelids or light toned fatty deposits on the cornea