Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1994-02-23
1996-04-16
Sikes, William L.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351205, 351216, A61B 310
Patent
active
055087604
ABSTRACT:
An ophthalmic examination apparatus for scanning, imaging and observing the fundus of the eye comprises an optical system including a first laser source and a laser scanner, a base unit containing a synchronizing circuit for the laser scanner and a video monitor, an image processing unit, and a second laser light source unit detachably connectable to the optical system unit and optically connected with the scanning optical system through an optical fiber. An optional auxiliary optical system unit is provided for attachment to the optical system to observe the anterior chamber as well as the fundus of the eye. An optical device is incorporated to control the direction of light propagation generated by the second laser light source unit. The ophthalmic examination apparatus facilitates a diverse range of user needs, simplifies maintenance and transport and permits the configuration of an economical ophthalmological device to be configured.
REFERENCES:
patent: 4786161 (1988-11-01), Muller et al.
patent: 5071246 (1991-12-01), Blaha et al.
patent: 5210808 (1993-05-01), Grasso et al.
Kobayashi Koji
Matsui Hiroki
Kowa Company Ltd.
Mai Huy
Sikes William L.
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