Essilor International

Bruce Taylor

Brad J Gelb

Sébastien Piraube

James Monaghan

Peter Hones

Fred Adolfo

Mark Kaluza

This disclosure includes methods and systems for producing ophthalmic lenses. Some methods include identifying a plurality of zones within a spatial representation of a lens blank, selecting, for each of the zones, one or more parameters for producing the lens, and producing the lens by removing material from the lens blank according to the one or more parameters of each of the zones.

Methods and systems for producing ophthalmic lenses background

Described is a variable reference blocking apparatus for blocking an optical article (). The apparatus comprises an adjustable ring unit () having a plurality of concentric members () positioned about a central axis. Each concentric member () generally comprises a lip region () on its upper end that is capable of receiving at least a portion of a front face of the optical article (). The apparatus further comprises a moveable base () in which its upper portion is coupled with a removable insert (). The removable insert () is generally positioned to be centered about the front face of the optical article ().

Variable reference blocking apparatus and method of use

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Dallas, TX, United States of America

Bruce Taylor