Ophthalmic apparatus

Details Ophthalmic apparatus Ophthalmic apparatus

2004-09-30

2008-03-18

Stultz, Jessica T (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

C351S239000, C351S211000, C351S221000

Reexamination Certificate

active

07344249

ABSTRACT:
An ophthalmic apparatus for examining and evaluating a visual function of an eye of a patient, includes: a presentation unit which presents an examination target to the patient's eye; a storage unit which stores therein subjective information obtained from the patient as to whether or not the patient can visually recognize the presented examination target; a calculation unit which calculates an objective evaluation value for the patient's eye using a fuzzy theory expressed as a probability function, based upon the stored subjective information; and an output unit which outputs the calculated evaluation value.

REFERENCES:
patent: 5550602 (1996-08-01), Braeuning
patent: 6092058 (2000-07-01), Smyth
patent: 6705726 (2004-03-01), Tanassi et al.
patent: 2005/0122477 (2005-06-01), Alster et al.
patent: 2005/0213033 (2005-09-01), Sabel
patent: 7-67833 (1995-03-01), None
patent: WO 93/18702 (1993-09-01), None

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