Small aperture multifocal

G - Physics – 02 – C

Patent

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Details

3/112, 88/40, 88

G02C 7/06 (2006.01) G02B 3/08 (2006.01) G02B 5/18 (2006.01)

Patent

CA 2014754

An optical device suitably employable in intraocular and contact lenses that employs a phase zone plate of a Cohen lens design that relies on a small number of zones to provide multifocal images.

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