Geometric measurement system and method of measuring a...

Details Geometric measurement system and method of measuring a... Geometric measurement system and method of measuring a...

2007-04-09

2009-11-10

Stafira, Michael P (Department: 2886)

Optics: measuring and testing

Dimension

C356S601000, C356S612000

Reexamination Certificate

active

07616330

ABSTRACT:
A geometric measurement system is adapted to precisely measure one or more surfaces of objects such as corneas, molds, contact lenses in molds, contact lenses, or other objects in a fixture. The geometric measurement system can employ one or more of three possible methods of measurement: Shack-Hartmann wavefront sensing with wavefront stitching; phase diversity sensing; and white light interferometry.

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