Vertical and Horizontal Decentration - Working with OC Heights
5:47
Sunglasses Lesson Gone Bad
17:26
Measuring for Lined Multifocals
13:32
Monocular Decentration and Blocking
19:06
Understanding Frame Fit: A Basic Guide
27:12
Verification of Tolerance: Prismatic Imbalance or PDs and OC Heights
15:23
Decentration and Blocking - 3 Examples
17:35
Cómo funciona un reloj de cuarzo (su núcleo vibra 32.768 veces por segundo)
15:58