Eyes Flashcards
exam technique order
inspect, palpate, percuss, auscultate
clouding of lens signifies
cataracts
mottling of macula signifies
macular degeneration
change with optic disk signifies
glaucoma
refractory errors
shape of eye does not bend light correctly resulting in nearsighted or farsightedness
strabismus
one eye doesnt look in same direction of other eye (lazy eye)
Dacryostenosis
blocked tear duct
Conjunctivitis
pink eye
Visual Field Defect
loss of part of usual field of vision
Pteryglum
growth on eyeball that can spread to cornea
myopia
nearshightedness, light focuses in front of retina
hyperopia
farshightedness, light focuses behind the retina
presbyopia
loss of accommodation
amblyopia
lazy eye in children that can lead to blindness
ishihara book
used to test for color blindness
what is the purpose of confrontation tests
to detect any lesions in the anterior and posterior visual pathway
hemianopsia
vision loss on half of visual field
circumferential blindness
loss of the outer half of vision in one eye and loss of the inner half of the other eye
unilateral blindness
blindness in one eye
what does 20/60 mean
It measures the sharpness of your sight at 20 feet from an object. Having 20/60 vision means that you must be at 20 feet to see what a person with normal vision can see at 60 feet.
cover-uncover test
tests for strabismus (uneven gaze)
Corneal light reflex (Hirschberg test)
tests for strabismus, looking for uneven gaze
esotropia
one eye turns inward
exotropia
one eye turns outward
corneal reflex is associated which which cranial nerve?
V (5)
what are you looking at when preforming an ophthalmoscopic exam?
optic disk, cup, retina: arteries, veins, AV crossing, macula, fovea and any lesions
normal near vision acuity
14 inches
normal pupil size
2-6cm
physiologic cup size
<1/2 size of disc
color of optic disc
pink to orange
