Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate
2006-02-07
2010-06-01
Dang, Hung X (Department: 2873)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
C351S205000
Reexamination Certificate
active
07726815
ABSTRACT:
The invention relates to a device for observing the ocular fundus, in particular to a fundus camera. Said device comprises a light source (1b) for the provision of illumination radiation, an illumination optical path for directing the illumination radiation onto the ocular fundus and observation optics for reproducing the illuminated ocular fundus, the observation optics comprising a module (16b), whose refractive power can be electrically adjusted.
REFERENCES:
patent: 4795248 (1989-01-01), Okada et al.
patent: 5255026 (1993-10-01), Arai et al.
patent: 5777719 (1998-07-01), Williams et al.
patent: 5815233 (1998-09-01), Morokawa et al.
patent: 6369954 (2002-04-01), Berge et al.
patent: 7216981 (2007-05-01), Matsumoto
patent: 40 03 211 (1990-08-01), None
patent: WO 99/18456 (1999-04-01), None
patent: WO 03/000153 (2003-01-01), None
patent: WO 2004/049927 (2004-06-01), None
patent: WO 2005/060823 (2005-07-01), None
Biernat Detlef
Mueller Lothar
Teige Frank
Carl Zeiss Meditec AG
Dang Hung X
Patterson Thuente Christensen Pedersen , P.A.
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