Ocular lens

Details Ocular lens Ocular lens

2006-05-31

2010-10-26

Stultz, Jessica T (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S164000, C351S169000, C351S168000

Reexamination Certificate

active

07819523

ABSTRACT:
To provide an ocular lens capable of securing a stable image in a distance portion and a near portion, and suppressing a generation of blurring or ghosting of the image. A progressive multifocal far and near contact lens is provided, having a distance portion for aiding a far vision, a near portion for aiding a near vision, and an intermediate portion in which power is progressively changed between the distance portion and the near portion, and a power distribution of a lens optical region along a direction of a vertical axis N of the lens optical region is set according to a predetermined function.

REFERENCES:
patent: 4580882 (1986-04-01), Nuchman et al.
patent: 4580883 (1986-04-01), Shinohara
patent: 4693572 (1987-09-01), Tsuetaki et al.
patent: 5760870 (1998-06-01), Payor et al.
patent: 6019470 (2000-02-01), Mukaiyama et al.
patent: 2003/0123025 (2003-07-01), Shirayanagi
patent: 2004/0257527 (2004-12-01), Qi et al.
patent: 2005/0099595 (2005-05-01), Lindacher
patent: 1164037 (1997-11-01), None
patent: 1432139 (2003-07-01), None
patent: 24 62 446 (1977-03-01), None
patent: 0 248 489 (1987-12-01), None
patent: 1025677 (1966-04-01), None
patent: A 57-94714 (1982-06-01), None
patent: A 59-208524 (1984-11-01), None
patent: A 2002-131705 (2002-05-01), None
patent: WO 01/75509 (2001-10-01), None
patent: WO 2004/092805 (2004-10-01), None
Translation of Apr. 1, 2010 Office Action issued in Chinese Patent Application No. 200680019554.X.

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