Eye Exam- 7?s Flashcards
What could be the cause of a sudden loss of vision
retinal detachment, vitreous hemorrhage
central retinal artery occlusion, CVA (stroke), trauma
what could be the cause of gradual loss of vision
aging, cataracts, glaucoma, HIV-CMV, autoimmune disease, DM, congenital, macular degeneration, neoplasm, pseudotumor cerebri
what is hyperopia, myopia?
hyperopia- farsightedness
myopia- nearsightedness
what is presbyopia
aging vision- loss of accomodation
what is heterophoria
failure of visual axes to remain parallel
esophoria- deviates inward
exophoria- deviates outward
What is included in examination of they eye
visual acuity, color blindness, visual field testing, external examination, conjunctiva and sclera, cornea, lens, pupil, EOM and opthalmoscopic exam
What is the chart used for far vision. near vision
far- snellen 20 ft away
near- and held 14 inches
What is the mechanical vision tester
titmus vision tester
OD is what
oculus dexter, right eye
OS is what
oculus sinister, left eye
oculus uterque is what
both eyes
what is entropion and extropion of the eyelids
entropion- eyelid turns inward
extropion- eyelid turns outward
a blue sclera is indicative of what
osteogenesis imperfecta
What is aniscoria
unequal pupils
one is greater than 0.5mm
What is a pinguecula
small nodule on bulbar conjunctiva, does not cross over to cornea