Highlights of Topics Course Structure no Quizzes n

Highlights of Topics / Course Structure (no Quizzes !!!) n n n Personal Intro – Dick Whitney Index of Refraction, Abbe Values Surface Curvature, Lens Power (Back Vertex Power) The RX (prescription) : minus vs. plus cyl notations, axis angle, etc. Lensometer / Humphrey Focimeter Ophthalmic lens Styles Aspheric optics and off-axis performance Measuring Add Power Standards and their practical applications AO Lens Design Background Molding stress (Oracle) and its effect on final product

Light

Index of Refraction

Material Index (Nd) Hard Resin 1. 499 Transitions 1. 501 1. 5 Glass White 1. 523 1. 5 Glass PGX/PBX 1. 523 High Index "55" 1. 537 Polycarbonate 1. 586 High Index "16" 1. 600 1. 6 Glass White 1. 601 1. 6 Glass PGX/PBX 1. 601 1. 7 Glass White** 1. 701 1. 8 Glass White** 1. 8? ?

AO “V –block” refractometer

Material Index Abbe (Nd) Hard Resin 1. 499 58 Transitions 1. 501 56 1. 5 Glass White 1. 523 58 1. 5 Glass PGX/PBX 1. 523 57 High Index "55" 1. 537 47 Polycarbonate 1. 586 30 High Index "16" 1. 600 42 1. 6 Glass White 1. 601 41 1. 6 Glass PGX/PBX 1. 601 42 1. 7 Glass White** 1. 701 40 1. 8 Glass White** 1. 8? ? 40

Toric lenses

Understanding Curves n Diopters 153

AO Master 1. 53 Curve Set

Glass Exec Lens Mfg (1952 -2005)

AO’s Progressive lenses n Dr. John Winthrop’s achievements in Proressive Lens design are world renound Lens Date Introduced Truvision® 1981 Truvision OMNI® 1988 Truvision Technica® 1990 AO Pro® 15 1992 AO Pro® 16 1994 AO Force® 55 1996 AO Compact® 1998 AO b' Active™ 2000 AO Pro Easy™ 2002

The RX (prescription)

AO Lensometer - 1919

AO Lensometer Collection

The AO Lensometer

Add Power Measurement

BSI and DIN std Add Power

AO & Ophthalmic Optics

Dr. Glancy PAL – 1920 (AO)

AO Ophthalmic Lens “Firsts” n n n Tillyer Corrected Curve Series Minus Toric Series Implementation of Franklin Style Executive Bifocal Plastic Photochromic Lens Permalite Abrasion Resistant coating AO Compact Small Frame PAL