Short corridor progressive addition lenses with reduced...

Details Short corridor progressive addition lenses with reduced... Short corridor progressive addition lenses with reduced...

2007-06-12

2007-06-12

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S177000

Reexamination Certificate

active

10925721

ABSTRACT:
The invention provides lenses produced by the adding of two or more surfaces, in which lenses both the length of the corridor is shortened and the maximum unwanted astigmatism is reduced.

REFERENCES:
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patent: 6106118 (2000-08-01), Menezes et al.
patent: 6142627 (2000-11-01), Winthrop
patent: 6595638 (2003-07-01), Ahsbahs
patent: 6955433 (2005-10-01), Wooley et al.
patent: 2003/0086055 (2003-05-01), Morris et al.
patent: 2003/0156251 (2003-08-01), Welk et al.
patent: 2004/104674 (2004-12-01), None
Patent Cooperation Treaty Publication WO 2006/026057 A3 including International Search Report, Mar. 3, 2006, 6 pages.

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