Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1993-10-27
1996-01-30
Sikes, William L.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351205, 351245, 359368, A61B 310
Patent
active
054884438
ABSTRACT:
A laser apparatus for ophthalmological operation which can be readily handled and moved extremely easily. This apparatus comprises: a laser light source; a microscope unit with an observation optical system for observing an eye to be operated; a laser light guiding optical system for guiding treatment light emitted from the laser light source toward the affected part of the eye to be operated within an observation visual field of the microscope unit; a power source housing for containing a source for supplying electrical power to the microscope unit and the laser light source; conductor cables for connecting the microscope unit and the laser light source to the power source; a base with a friction plate which can be attached to the top surface of the power source housing; and a slide device which includes a joy stick and slides the microscope unit with respect to the base by operating the joy stick.
REFERENCES:
patent: 4477159 (1984-10-01), Mizuno et al.
patent: 4582405 (1986-04-01), Miller et al.
patent: 4824229 (1989-04-01), Narita et al.
patent: 5337095 (1994-08-01), Katsuragi et al.
Abe Hitoshi
Enomoto Masanori
Ota Yasuo
Dang Hung Xuan
Nidek Co. Ltd.
Sikes William L.
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