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16 Cards in this Set
- Front
- Back
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what chronic diseases should you ask about when doing an eye examination
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diabetes - causes exudates, hemorrhage, neovasculization
hypertension - av nicking, retinal hemorrhage, papilledema, arteriole narrowing |
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what family history is pertinent in eye examination
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cataracts
color blindness diabetes glaucoma macular degeneration |
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when should the visual acuity test be performed
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before any palpation or examination with bright light sources
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how far away should the pt be from the snellen chart when doing the visual acuity test
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20 feet
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what should the pt cover their eyes with while doing visual acuity test
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opaque card NOT HAND
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what cranial nerve is the optic nerve
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CN2
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extraocular movement is controlled by what cranial nerves
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3, 4, 6
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what are the steps in testing extraocular movements
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place finger 12-18 inches in front of eyes
follow finger with eyes w/o turning head |
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what disease state can cause lid lag
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hyperthyroidism
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WHAT IS A NORMAL AND ABNORMAL finding in the lid lag test
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normal - upper lid continues to cover top of iris
abnormal - white of sclera can be seen b/t upper lid and iris |
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how large should pupils be in ordinary room light
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3-5 mm in size
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what is strabismus
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misallignment of eyes
puppillary light reflex is not symmetrical WANDERING OR LAZY EYE |
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what is strabismus classified by
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direction the affected eye turns
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when doing pupil response what is a direct light reflex
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advance light from one side and note the pupil response of that eye
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when doing pupil response what is consensual light reflex
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advance light from same side and note the response of the contralateral pupil
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what is accommodation
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hold finger 3 inches from nose
ask pt to focus on distant object as pt to focus on finger note constriction of the pupil which is normal finding |
