Method of inspecting ophthalmic lenses

Details Method of inspecting ophthalmic lenses Method of inspecting ophthalmic lenses

G - Physics

01

M

G01M 11/00 (2006.01) G01M 11/02 (2006.01)

Patent

CA 2111743

A method of continuously and automatically inspecting ophthalmic lenses. The lenses are continuously moved along a predetermined path to move each of the lenses, one at a time, into a lens inspection position. Each time one of the lenses moves into the lens inspection position, a light source is activated to generate a one light pulse, that light pulse is directed through the one lens and onto an array of pixels and a set of signals is generated representing the intensity of light incident on the pixel array. The set of signals is processed according to a predetermined program to determine at least one condition of the lens, and an output signal is generated representing that one condition.

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