Optician Training: How To Use The Optical Cross
16:03
Optician Training: Prism Concepts Part 1
23:22
Optician Training: How To Use The 30 45 60 Rule To Determine Lens Powers In Oblique Meridians
15:44
Progressive Lenses: The Good, The Bad, and The Ugly
27:12
Verification of Tolerance: Prismatic Imbalance or PDs and OC Heights
14:36
How To Identify Lens Materials
17:21
Marking The Placement of Progressive Lenses
12:43
Optician Training: What Is Prism?
18:11