eye exams Flashcards
sequence of eye testing
snellen chart, fingers, motion, light/no light, pinhole
two types of pupillary response
direct (same eye) and consensual (opposite eye changes to same degree
APD: test? meaning?
afferent pupil defect; swinging flashlight; diseased optic nerve perceives less light than normal nerve (pupil more dilated)
double vision that goes away when one eye is covered
binocular diplopia
ectropion
outward turning of eyelid
proptosis
eye protrusion
Optical coherence tomography (OCT)
echo delay time of light. gives x-sectional image
flourescein angiography
dye injected in arm and used to check eye perfusion and blood retinal barrier
components of blood retinal barrier
endothelium of retinal vasculature and tight jxn of RPE cells