The relationship between astigmatic correction and near vision
The relationship between keratometry readings and refractive power.
The relationship between astigmatic correction and distance vision.
The relationship between with-the-rule astigmatism and distance vision.
Term 2 of 115
When performing the Worth 4 Dot test, the eye with the red lens in front of it should see:
two red dots
three red dots
two green dots
three green dots
Term 3 of 115
Trachoma is caused by:
chlamydia
acanthamoeba
aspergillus
peumococcus
,Term 4 of 115
Which post-op instruction is appropriate for the patient who has been treated with the PDT drug
Visudyne?
Avoid sunlight and ultraviolet light sources for 10 days.
Avoid sunlight and ultraviolet light sources for 5 days.
Get up to 5 hours of sun exposer in the next 10 days to enhance the effect of the drug.
Get up to 10 hours of sun exposer in the next 5 days to enhance the effect of the drug.
Term 5 of 115
The near point of accommodation is measured to be 10 cm. What is the amplitude of
accommodation?
20 diopters
2 diopters
1 diopter
10 diopters
Term 6 of 115
Which statement is most likely true of the 55 year old patient with a plano-200x180 distance
glasses prescription in both eyes.
He can see well in the distance without glasses (if he squints).
He will not need a bifocal in order to read with glasses.
He will probably be able to read OK without glasses.
He will probably not like ketsup with his scrambled eggs
,Term 7 of 115
The recommended dose of the PDT drug Visudyne is 6mg per meter squared of body surface
area. Visudyne is reconstituted to a solution of 2mg/ml. The body surface area of our patient
calculates to 2 meters squared. How much of the Visudyne drug will our patient need?
2 mg
2 ml
4 mg
6 mg
6 ml
12 ml
Term 8 of 115
Finding a with-motion streak reflex at 45 and an against-motion streak reflex at 135 tells you that:
you did something wrong
there is astigmatism present
the eye is spherical
you have reached the endpoint
Term 9 of 115
Areas of ischemia in diabetic retinopathy can cause:
non-perfusion
hyperfluorescence
transmission
leakage
, Term 10 of 115
The SITA strategy was designed to:
test for cortical defects
increase testing time to increase the accuracy of the test
reduce visual field testing time
test every point in the visual field
Term 11 of 115
A "positive fusional vergence test" measures:
divergence
convergence
accommodation
Term 12 of 115
When scanning, what is a "Z" axis adjustment?
A. an up and down adjustment
B. a forward and backward adjustment
C. a left and right adjustment
D. a combination up/down and left/right adjustment
a forward and backward adjustment
neutralize one of the meridians
against-motion to with-motion
with the bottom right circle
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