Ophthalmic observation apparatus

Details Ophthalmic observation apparatus Ophthalmic observation apparatus

2005-08-25

2008-08-26

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S205000

Reexamination Certificate

active

07416303

ABSTRACT:
An ophthalmic observation apparatus for observing an object region to be observed of an examinee's eye, comprises: an illumination optical system which has a laser source, a polygon mirror, and a galvano mirror, and which irradiates the object region with a laser beam emitted from the laser source by scanning the laser beam in two dimensions by use of the polygon mirror and the galvano mirror; a photo-receiving optical system which has a beam splitter placed on an optical path between the eye and the polygon mirror, and a photo-receiving element placed in a conjugate position with a pupil of the eye, the photo-receiving element being arranged to receive the laser beam reflected from the object region via the beam splitter, not via the polygon mirror; and an image processing part which processes an output signal from the photo-receiving element in sync with scanning operations of the polygon mirror and the galvano mirror to generate an observation image of the object region.

REFERENCES:
patent: 4893920 (1990-01-01), Webb
patent: 5177511 (1993-01-01), Feuerstein et al.
patent: 5396302 (1995-03-01), Triller et al.
patent: 2004/0156016 (2004-08-01), Kerr et al.
patent: A 07-178053 (1995-07-01), None

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