11:56

Optician Hand Tools - Screwdriver

21:45

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

15:41

Choosing Lens Material Based on Lens Power

17:53

Frame Size and Shape Matter, But YOU Matter More!

14:36

How To Identify Lens Materials

15:44

Progressive Lenses: The Good, The Bad, and The Ugly

11:22

Office Progressive Lenses: What Are They Good For?

10:13

How Opticians Use Lenses To Correct Refractive Errors