Surgery – Instruments – Light application
Patent
1993-07-12
1996-10-08
Sykes, Angela D.
Surgery
Instruments
Light application
351214, 606 11, A61B 310, A61F 906
Patent
active
055626564
ABSTRACT:
An ophthalmic apparatus for measuring and operating a subject's eye, which includes an ophthalmic operation apparatus, provides an alignment mechanism including a slit image projecting system for projecting an alignment slit image on the subject's eye, a slit image observing system for observing the slit image projected on the subject's eye, wherein a plurality of the slit image projecting system are arranged so as to project the slit image from at least two directions on the subject's eye, the directions putting the optical axis of the slit image observing system therebetween, and an alignment moving device by which an apparatus body including the slit image observing system is moved relatively to the subject's eye in three-dimensional direction.
REFERENCES:
patent: 4711541 (1987-12-01), Yoshino et al.
patent: 4900145 (1990-02-01), Akiyama
patent: 5120123 (1992-06-01), Akiyama
patent: 5177512 (1993-01-01), Abe et al.
patent: 5250965 (1993-10-01), Abe et al.
patent: 5321447 (1994-06-01), Sander et al.
Harris-Ogugua Sonya
Nidek Co. Ltd.
Sykes Angela D.
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