Automated dark adaptometer

Details Automated dark adaptometer Automated dark adaptometer

1997-08-11

1998-10-13

Mai, Huy

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351246, A61B 302

Patent

active

058220372

ABSTRACT:
The present invention modifies the Goldmann-Weeker's dark adaptometer so that all testing may be done automatically and analysis of the data may be completed in a rapid manner and further varied. The automated dark adaptometer is composed of the standard Goldmann-Weeker's dark adactometer having the traditional Ganzfeld bowl attached thereon. A computer acting through a computer interface is connected to a stepper motor and shaft encoder. The stepper motor is connected to the light control knob of the dark adaptometer. The patient being tested inputs responses to a patient signaling switch which is connected to the computer interface. The computer has a program has a specialized program therein for controlling the change in light intensity, recording this change, recording the patients response thereto and any other desired variables.

REFERENCES:
patent: 5079232 (1992-01-01), Obsawa et al.
patent: 5080478 (1992-01-01), O'Brien et al.
patent: 5461435 (1995-10-01), Rootzen et al.

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