Assessment of the eye Flashcards
it is used to test distant visual acuity
Snellen chart
what is the proper way to perform Snellen chart
20 ft away from the chart, covering one eye with an opaque card
is configured just like the snellen chart bt the characters on it are only E’s
E chart
what will you used to test near vision of the client
using jaeger test. let the client hold the newspaper 14 inches away from the eye.
a hand-held instrument that allows the examiner to view the fundus of the eye
opthamoscope
nearsightedness
myopia
farsightedness
hyperopic
what is the normal distant visual acuity
20/20
how will you test the distant visual acuity?
position the client 20 ft from the snellen chart or e chart and ask her to read each line until she cannot decipher the letters
what is the normal near visual acuity
14/14
(impaired near vision) is indicated when the clients move the chart away from their eyes to focus on the print; it is common in clients over 45 years of age
presbyopia
how will you perform the confrontation test?
position yourself approximately 2 ft away from the client at eye level
this test assesses parallel alignment of the eyes
corneal light reflex test
how will you perform corneal light reflex?
hold a penlight approximately 12 in from the clients face
teem used to describe misalignment that occurs only when fusion reflex is blocked
phoria
constant malalignment of the eyes
strabismus
specific type of misalignment
tropia
inward turn of the eye
esotropia