Automated ocular perimetry, particularly kinetic perimetry

Details Automated ocular perimetry, particularly kinetic perimetry Automated ocular perimetry, particularly kinetic perimetry

1990-03-26

1991-07-30

Dzierzynski, Paul M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351224, A61B 302

Patent

active

050355007

ABSTRACT:
A first light is moved and illuminated by an x-y plotter mechanism on a rear projection screen under computer control so as to be continuously fixated by an eye of a test subject. The computer also causes one or ones of fixed-position second lights, typically sixteen in number positioned in a regular array, to momentarily illuminate at various times corresponding to various positions of the moving first light. The test subject indicates detection or non-detection of the momentary illuminations to the computer by voicing the numbers "1", "2", "3", etc. From successive illuminations and test subject responses the computer is able to survey the entire visual field of each subject's eye in all directions. The surveyed visual field is plotted on graph paper with the same x-y plotter mechanism that is otherwise and at other times used for moving the first light source.

REFERENCES:
patent: 4260227 (1981-04-01), Munnerlyn et al.
patent: 4490023 (1984-12-01), Ludwig

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