Operation microscope

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Reexamination Certificate

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Details

C351S216000, C351S205000, C351S206000, C351S209000, C359S381000, C359S383000, C359S385000, C359S389000, C359S368000

Reexamination Certificate

active

10778336

ABSTRACT:
Provided is an operation microscope where manipulations to be performed in response to switching between methods for observing an eye to be operated are performed in an interlocked manner, thereby improving manipulability. When recognizing that a change-over switch is switched to its upper position, a control circuit controls a drive apparatus so that an operator microscope is raised, controls a drive mechanism so that an optical unit is moved to an inverter-on position, changes the turned-on position of a light source so that an illumination light flux forms a small angle with respect to an observation optical axis, and controls a solenoid so that a stereo variator is moved to be arranged on an optical path of an observation light flux.

REFERENCES:
patent: 4807989 (1989-02-01), Nagano et al.
patent: 4838671 (1989-06-01), Papritz et al.
patent: 4932774 (1990-06-01), Takagi et al.
patent: 5760952 (1998-06-01), Koetke
patent: 6394602 (2002-05-01), Morrison et al.
patent: 6634749 (2003-10-01), Morrison et al.
patent: 6733128 (2004-05-01), Kirchhuebel
patent: 6943942 (2005-09-01), Horiguchi et al.
patent: 7072104 (2006-07-01), Okamura et al.
patent: 2002/0044256 (2002-04-01), Kirchhuebel
patent: 2002/0191280 (2002-12-01), Horiguchi et al.
patent: 2001-275978 (2001-10-01), None
patent: 2002-350735 (2002-12-01), None

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