Some miscellaneous articles / presentations I have authored with regard to Ophthalmic Optics:
 

1.) Aspheric Lens Design article (2.5 mb pdf)

2.) Dick Whitney Power 2007 & 2008 point slideshows on ANSI Z80.1 and ISO Mounted pair power tolerance schemes:

    a.)  2008 Slideshow on US Lens Measurement (Power) practices / OAA Response

    b.) 2007 Slideshow demo issues with tolerancing both Meridional Powers as per ISO and ANSI 1995 Standards (320k pps file)

    c.) 2007 Slideshow on historical background to change in ANSI to comply with ISO (5mb pps file)

3.) January 2006 Update: Technical Historical information on low cylinder powers and the ANSI Cyl axis tolerance for finished Rx's-

I am adding  a Feb 2004 Technical Paper that I wrote to the ANSI Subcommittee on Tolerances, which was reviewing the standard for areas of potential revision. Because of discussions I had with Dad on the subject, as well as background information he had written and I had compiled, I was able to compile this case for relaxing the 0.25 cyl axis tolerance from the "traditional" 7 degrees. This, and a Technical Paper by Darryl Meister was sufficient backup to result in ANSI Z80-1 to adopt this change in the 2005 revision.

4.) The influence of CR-39 (sixty years after its introduction) - 2006 article by Dick Whitney
 

5.) AO History Chronology Slideshow -8mb Download of executable

Aside from having been mentored by my father, I also benefitted greatly from working with Dave LaMarre and Dr. John Winthrop.

Don Whitney Ophthalmic Optics Technical Papers

Optical Heritage Museum website - AO Technical Papers

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