Visual function measuring apparatus

Details Visual function measuring apparatus Visual function measuring apparatus

1995-04-26

1998-10-20

Mai, Huy

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351222, 351239, A61B 302

Patent

active

058254609

ABSTRACT:
A visual function measuring apparatus includes a visual target displaying device for presenting visual targets of different sizes successively to an eye to be examined, and a response inputting lever for inputting the response of an examinee to which the visual targets have been presented. The examinee's visual function is measured on the basis of the response input. The apparatus also includes a controller for controlling the device so that the visual targets presented to the examinee by the visual target displaying device may be changed in succession from a smaller visual target to a larger visual target.

REFERENCES:
patent: 3861790 (1975-01-01), Tamura
patent: 4511228 (1985-04-01), von Gierke et al.
patent: 4697895 (1987-10-01), Sekiguchi et al.
patent: 4820037 (1989-04-01), Kohayakawa et al.
patent: 5037194 (1991-08-01), Kohayakawa et al.
patent: 5144346 (1992-09-01), Nakamura et al.
patent: 5231430 (1993-07-01), Kohayakawa
patent: 5237351 (1993-08-01), Kohayakawa et al.
patent: 5325134 (1994-06-01), Kohayakawa

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