WITH COMPLETE SOLUTIONS VERIFIED
what is used when assessing the eyes?
Snellen chart
what does 20/20 vision mean?
pt is able to see object or letter from at 20ft from 20ft away
what does 20/20 vision indicate for the pt?
perfect vision
what does 20/100 mean?
means pt is able to see object or letters that seem 100 ft away standing only 20 ft away
what is the abbreviation for right eye?
OD
what is the abbreviation for left eye?
OS
what is the abbreviation for both eyes?
OU
what are the EOMs?
they are the extra-ocular eye movements
what do the EOMs test for?
test for the function of the muscles in the eye
what is the appropriate approach to test the function of the eye muscles?
, the 6 cardinal fields of gaze
how should we perform the 6 cardinal fields of gaze?
using your finger or a penlight, essentially make a star allowing the pt to follow the
object with ONLY their eyes
what cranial nerve (numbers ONLY) control the EOMs?
3,4,6
what is CN 3?
oculomotor nerve
what is CN 4?
trochlear nerve
what is CN 6?
abducens nerve
what is wrong with the eye when someone has cataracts?
the lens of the eye will be cloudy
what is the cause of someone to have glaucoma?
the optic nerve becomes damaged
what causes damage to the optic nerve?
intraocular pressure
what will someone see with glaucoma?
they will see multiple blind spots
what is presbyopia?
change in vision due to old age or aging
what is hordeolum