Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1984-09-24
1987-06-02
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351205, A61B 310
Patent
active
046698396
ABSTRACT:
A combined observation and laser therapy instrument having an optical system which is fully compensated for the difference in focus of the laser radiation and the observation light.
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patent: 3348547 (1967-10-01), Kavanagh
patent: 3703176 (1972-11-01), Vassiliadis et al.
patent: 3783874 (1974-01-01), Koester et al.
patent: 3840289 (1974-10-01), Day
patent: 3914032 (1975-10-01), Takano et al.
Bovernick Rodney B.
Carl-Zeiss-Stiftung
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