Multifocal contact lenses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Reexamination Certificate

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C351S177000

Reexamination Certificate

active

11389798

ABSTRACT:
The invention provides methods for correcting presbyopia and lenses for such correction in which production of a full range of multifocal lenses is accomplished using three rotationally symmetric, aspheric back surfaces, the design of which base curves is a function of refractive power.

REFERENCES:
patent: 4525043 (1985-06-01), Bronstein
patent: 4580882 (1986-04-01), Nuchman et al.
patent: 4640595 (1987-02-01), Volk
patent: 5220359 (1993-06-01), Roffman
patent: 5619289 (1997-04-01), Seidner et al.
patent: 5835187 (1998-11-01), Martin
patent: 5880809 (1999-03-01), Lieberman et al.
patent: 6379008 (2002-04-01), Chateau et al.
patent: 6390624 (2002-05-01), Hough
patent: 2002/0036748 (2002-03-01), Chapoy et al.
patent: 2006/0116764 (2006-06-01), Simpson
patent: 0822439 (1998-02-01), None
patent: 1331505 (2003-07-01), None
patent: 2139375 (1984-11-01), None
patent: WO 8700936 (1987-02-01), None
patent: 00/54094 (2000-09-01), None
patent: WO 0151978 (2001-07-01), None
Carney, LG; Mainstone, JC; Henderson, BA, Invest. Ophthamol. Vis. Sci., vol. 38:2, pp. 311-320 (1997).
Strang, NC; Schmid, KL; Carney, LG, Curr. Eye Res., vol. 17:4, pp. 380-384(1998).
Llorente, L; Barbero, S; Cano, D.; Doronsoro, C; Marcos, SJ, J. Vis., vol. 4, pp. 288-298 (2004).

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