Multifocal lens

Optical: systems and elements – Optical modulator – Light wave directional modulation

Reexamination Certificate

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Details

C351S161000, C351S168000, C349S013000

Reexamination Certificate

active

10595270

ABSTRACT:
Apparatus for enhancing vision of a user includes a focal modulation device (22), which is adapted to focus light from objects in a field of view of the user onto the retina while alternating between at least first and second focal states that are characterized by different, respective first and second focal depths, at a rate in excess of a flicker-fusion frequency of the user.

REFERENCES:
patent: 4190330 (1980-02-01), Berreman
patent: 4300818 (1981-11-01), Schachar
patent: 4564267 (1986-01-01), Nishimoto et al.
patent: 4572616 (1986-02-01), Kowel et al.
patent: 4601545 (1986-07-01), Kern
patent: 4756605 (1988-07-01), Okada et al.
patent: 4842400 (1989-06-01), Klein
patent: 5073021 (1991-12-01), Marron
patent: 5108169 (1992-04-01), Mandell
patent: 5142411 (1992-08-01), Fiala
patent: 5359444 (1994-10-01), Piosenka et al.
patent: 5410375 (1995-04-01), Fiala et al.
patent: 5712721 (1998-01-01), Large et al.
patent: 5861936 (1999-01-01), Sorensen et al.
patent: 6491391 (2002-12-01), Blum et al.
patent: 6491394 (2002-12-01), Blum et al.
patent: 6517203 (2003-02-01), Blum et al.
patent: 6577434 (2003-06-01), Hamada et al.
patent: 6638304 (2003-10-01), Azar
patent: 6714174 (2004-03-01), Suyama et al.
patent: 7018040 (2006-03-01), Blum et al.
patent: 7118214 (2006-10-01), Cox
patent: 2002/0140899 (2002-10-01), Blum et al.
patent: 2003/0018383 (2003-01-01), Azar
patent: 2004/0027501 (2004-02-01), Blum et al.
patent: 2004/0056986 (2004-03-01), Blum et al.
U.S. Appl. No. 60/507,940, filed Oct. 3, 2003.
U.S. Appl. No. 60/543,567, filed Feb. 12, 2004.

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