Straight Top Multifocal Layout and Decentration
15:23
Decentration and Blocking - 3 Examples
14:26
Basic Lens Styles: Single Vision, Flat Top, Bifocal, Trifocal, Round Seg, and Executive
21:45
How They're Made (Lenses and Coatings): Inside The Optical Lab
5:22
The reverse bifocal trick for custom magnifying prescription crafting glasses
18:11
Choosing The Ideal Progressive Lens Corridor Length
17:26
Measuring for Lined Multifocals
6:56
A guide to fitting techniques
16:03