Ophthalmic apparatus

Details Ophthalmic apparatus Ophthalmic apparatus

1997-04-23

1999-02-16

Hindenburg, Max

Surgery

Diagnostic testing

Measuring anatomical characteristic or force applied to or...

351211, A61B 5103

Patent

active

058714553

ABSTRACT:
An ophthalmic apparatus having a smaller size while guaranteeing a required optical performance from each optical system component is provided. The ophthalmic apparatus includes a fogging optical system for removing an accommodation power of an eye being examined so that the eye is properly relaxed. A detecting optical system is used for detecting information relating to the eye being examined. The fogging optical system and the detecting optical system share a common lens group containing at least one cemented lens. Positive and negative lenses are included in the cemented lens. The common lens group, as a whole, has a positive refractive power.

REFERENCES:
patent: 5500697 (1996-03-01), Fujieda
patent: 5555039 (1996-09-01), Iki et al.
patent: 5576780 (1996-11-01), Yancey
patent: 5625428 (1997-04-01), Isogai
patent: 5684562 (1997-11-01), Fujieda

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