NOCE - National Opticianry Competency Practice Test
NOCE NOCE Contact Lens Fitting and Care
What does the base curve (BC) of a contact lens refer to?
Select your answer
A
The thickness at the center of the lens
B
The radius of curvature of the back surface of the lens
C
The total diameter of the lens
D
The refractive power of the lens
Hint