VERSION 2025 Study Guide Questions and Verified
Answers | 100% Correct.
Which of the following conditions is indicated by the following RX:
O.D. +1.00 -1.00 x 180
O.S. -2.00 -.50 x 45 ✔✔CORRECT ANSWERS✔✔Antimetropia
The loss of vision without any apparent defect to the eye is called
✔✔CORRECT ANSWERS✔✔Amblyopia
The ANSI cylinder tolerance for a -.25 cylinder is ✔✔CORRECT
ANSWERS✔✔Plus or minus 7 degrees
Which of the following has no power in the 180 degree meridian?
✔✔CORRECT ANSWERS✔✔+2.00 -2.00 x 90
All specifications being equal which of the following materials will yield the
thinnest lens? ✔✔CORRECT ANSWERS✔✔Polycarbonate
If the right temple is angled up the effect on the frame will be to
✔✔CORRECT ANSWERS✔✔Lower the right side
, If the adjustable pads on a metal frame are re-positioned downwards into
the bridge of the frame the resulting effect on the fit will be to ✔✔CORRECT
ANSWERS✔✔Raise the front
Which recreational activity would be best suited with yellow lenses?
✔✔CORRECT ANSWERS✔✔Hunting
Bicentrec grinding is a term synonymous with ✔✔CORRECT
ANSWERS✔✔Slab off
If a patient is wearing a +12.00 diopter sphere and the adjustment is made
to move them closer to the eyes, what effect will that have on the effective
power of the lens? ✔✔CORRECT ANSWERS✔✔Decrease the plus power
Which RX of the following is the same as the following RX: -3.00 +2.50 x 25
✔✔CORRECT ANSWERS✔✔-.50 -2.50 x 115
Given a material of unknown index and the speed of light within that
material as 10100 miles per second. Compute the index of refraction for that
material. ✔✔CORRECT ANSWERS✔✔1.62
Which of the following materials would make the safest lens in all
circumstances? ✔✔CORRECT ANSWERS✔✔Polycarbonate
This agency is primarily concerned with safety in the workplace.
✔✔CORRECT ANSWERS✔✔OSHA