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Is there a diagram or document that explains how the z values are calculated?

Michael Vitale

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Michael Vitale Newbie

Michael Vitale

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Dear DCS Members,

The following was sent to me via email. I’ve asked Ryan to join and post his question here in the future.

 Is there a diagram or document that explains how the z values are calculated?

I know it represents the sag at the eyewear but which radius does it use for the calculation?

Ryan Maxwell

President

OPTIK K&R Inc.

 

Eric Boisvert Eric.Boisvert@kandr.com

Ryan Maxwell ryan.maxwell@kandr.com

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