Compensated Rx’s—When Lenses Don’t Measure As Prescribed!

By Dick Whitney, Carl Zeiss Vision,
ANSI Z80.1 Chair / Vision Council Lens Tech Committee Chair/ Exec Director of Optical Heritage Museum

Tuesday, July 5, 2016 1:05 PM

It was suggested recently that I discuss the topic of “compensated lens powers.” With the growth of freeform technology pioneered by Zeiss, this issue has received increased attention. I have come to realize there is confusion over the fundamentals of compensated Rx’s. I will attempt to explain this in simple terms and avoid mathematical explanations.

Adopting New Technology: Digital Frame Measuring Devices

By Alex Bennett, ABOC
Monday, August 31, 2015 12:17 PM

A recent segment on NPR discussed the integration of technology in society. It was about Google’s driverless car project and whether people will allow a machine to be in control. Many predict people won’t accept this technology once it becomes available.

Digital Centration Devices: A Quiet But Important Revolution

By Barry Santini, ABOM
Wednesday, April 3, 2013 1:44 PM While most eyecare practices continue to be comfortable with and rely upon marker pens, PD sticks, pupilometers and seg-height gauges to obtain the basic fitting measurements for eyewear sales, behind the scenes there has been a quiet revolution.

Implementing Eyewear Measuring Technology

By Jay Binkowitz
Tuesday, November 13, 2012 7:31 PM (From Review of Optometric Business,

Jay Binkowitz, president of GPN and The EDGE, urges the incorporation of measuring technology in dispensing eyewear.