LENSES: Rx Verification Being Involved In Our Profession Can Make a Difference ANSI Z80.1- 2010 Spectacle Lens Standard Revision By Dick Whitney (ANSI Z80.1 Chairman) Tuesday, June 10, 2014 3:00 PM In a previous Opticians Handbook article, I gave a general overview of the evolution of the ANSI Z80.1 standard and how it has changed over time. You must sign in to see the full article.