2026/2027 NCLE Advanced Certification Exam

Questions and Answers Already Passed (Graded

A+)

1. The sagittal depth of a rigid gas permeable contact lens can be altered without changing the

diameter by:

A. Changing the power

B. Changing the edge design

C. Changing the radius of curvature of the anterior optical zone

D. Changing the radius of curvature of the posterior optical zone -Answer The answer is D.

The posterior optical zone will directly affect the lens to cornea relationship of a...
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