1. Highlights of Topics / Course Structure (no Quizzes !!!)
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

2. Light

6. Index of Refraction

7. Material
Index
(Nd)
Hard Resin
1.499
Transitions
1.501
1.5 Glass White
1.523
1.5 Glass PGX/PBX
High Index "55"
1.537
Polycarbonate
1.586
High Index "16"
1.600
1.6 Glass White
1.601
1.6 Glass PGX/PBX
1.7 Glass White**
1.701
1.8 Glass White**
1.8??

8. AO “V –block” refractometer

10. Material
Index
Abbe
(Nd)
Hard Resin
1.499 58
Transitions
1.501 56
1.5 Glass White
1.523
1.5 Glass PGX/PBX 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
1.7 Glass White**
1.701 40
1.8 Glass White**
1.8??

19. Toric lenses

20. Understanding Curves
Diopters 153

23. AO Master 1.53 Curve Set

31. Glass Exec Lens Mfg ( )
Same as startup in the 1950’s

33. AO’s Progressive lenses
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

38. The RX (prescription)

42. AO Lensometer

44. AO Lensometer Collection

45. The AO Lensometer

47. Add Power Measurement

49. BSI and DIN std Add Power

50. AO & Ophthalmic Optics
Courtesy of the Southbridge historical Society

52. Dr. Glancy PAL – 1920 (AO)

53. AO Ophthalmic Lens “Firsts”
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