12:43

High Curves and Step Bevels

17:26

Measuring for Lined Multifocals

14:59

Marking and Measuring OC Heights

21:25

Talking to Your Customers about AR

30:46

Polycarbonate and Trivex Lenses: A Shocking Comparison

21:15

Guiding Customer Frame Choice Based on Lens Power

13:01

How Frame Selection Affects Lens Thickness - Size AND Shape Matter

21:45

How They're Made (Lenses and Coatings): Inside The Optical Lab