14:26

Basic Lens Styles: Single Vision, Flat Top, Bifocal, Trifocal, Round Seg, and Executive

16:03

Optician Training: Prism Concepts Part 1

24:14

Let's Plan Ahead For Depression!

25:04

Optician Training: How To Use The Optical Cross

10:25

What Are Prism Lens Bases? How Does It Work?

18:13

Introduction to Optical Sales

10:13

How Opticians Use Lenses To Correct Refractive Errors

24:31

Filling Prescribed Prism by Decentration in Single Vision Lenses (ASPHERIC EDIT)