Ophthalmic microscope

Details Ophthalmic microscope Ophthalmic microscope

2006-09-18

2008-10-28

Nguyen, Thong (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S368000, C359S385000

Reexamination Certificate

active

07443579

ABSTRACT:
An ophthalmic microscope including an objective lens placed in face of an inspecting eye; a light source for radiating an illumination light, an illumination optics for directing the illumination light to the inspecting eye via the objective lens, an observation optics placed along with an optical axis of the objective lens, a lighting angle switch placed on a light path of the illumination light for changing the angle of incidence of the illumination light to the inspecting eye, and a correlated color temperature changer working in conjunction with the switching of the angle of incidence by the lighting angle switch to change the correlated color temperature of the illumination light.

REFERENCES:
patent: 5022744 (1991-06-01), Leiter
patent: 7027238 (2006-04-01), Weiss
patent: 2001/0028441 (2001-10-01), Okamoto et al.
patent: 2001-275978 (2001-10-01), None
patent: 2004-139002 (2004-05-01), None

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