OpenOptix ABO Study Guide Review Questions - Laramy-K Optical
OpenOptix ABO Study Guide Review Questions - Laramy-K Optical
OpenOptix ABO Study Guide Review Questions - Laramy-K Optical
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2. If the pupillary distance is measured while the patient is focusing on a point 16<br />
inches in front of his eyes, the P.D. measured is known as the _______ P.D.<br />
a. Distance<br />
b. Intermediate<br />
c. Near<br />
d. Most accurate<br />
3. The optical cross is a graphic representation used to show the _________ of a<br />
lens.<br />
a. Surface curvature<br />
b. Corrected curves<br />
c. Compensated vertex<br />
d. Meridian powers<br />
4. You are fitting a patient with a Titan-10 frame, 24 DBL, 44 eye size, and 5V2<br />
inch skull temples. The distance P.D. is only 62 mm. If by some unfortunate error<br />
the lenses are NOT decentered at all, how much prism is created in each eye? Rx<br />
O.U.-2.25-1.50x45<br />
a. 0.9 Δ B.I.<br />
b. 0.5 Δ B.I.<br />
c. 0.9 Δ B.O.<br />
d. 0.5 Δ B.O.<br />
5. A characteristic most single vision CR-39 lens series have in common is:<br />
a. Plus cylinder form<br />
b. A square molded shape<br />
c. Minus cylinder form<br />
d. Minus base curves<br />
6. As the pantoscopic angle is increased:<br />
a. The spherical equivalent is decreased<br />
b. The optical centers are effectively raised<br />
c. The spherical equivalent is increased<br />
d. The optical centers should be lowered<br />
7. A lens of -2.00 +2.00 x 90 power corrects _______ .<br />
a. Simple myopic astigmatism<br />
b. Simple hyperopic astigmatism<br />
c. Simple myopia<br />
d. Compound myopic astigmatism<br />
This document is licensed under the Creative Commons Attribution 3.0 License. 8/11/2009<br />
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