Marking and Measuring OC Heights
18:31
Measuring Pupillary Distance (PDs)
17:21
Marking The Placement of Progressive Lenses
9:21
Prescription Glasses Lens Guide: Lens Types and Materials
18:13
Introduction to Optical Sales
25:04
Optician Training: How To Use The Optical Cross
45:14
How to fit frames and influence people
17:26
Measuring for Lined Multifocals
21:25