Multiple Choice
On a lensometer, how do you determine the center of a prescription lens?
A) You first measure the lens width and divide it in half
B) You determine the center of the mires with both sphere and cylinder power
C) You determine with either sphere or cylinder, not both
Correct Answer:
Verified
Correct Answer:
Verified
Q24: Which of the following is not a
Q25: Which of the following conditions cannot be
Q26: The refraction that a patient likes the
Q27: In the following lens prescription, which number
Q28: If you have a prescription written for
Q30: Which would be the best solution for
Q31: What is prism by decentration?<br>A)Cutting off the
Q32: When light passes through a prism:<br>A)It spreads
Q33: If you have been given this prescription
Q34: Prentices rule for prism: Diopters (?) are