Method for evaluating metamorphopsia

Details Method for evaluating metamorphopsia Method for evaluating metamorphopsia

1987-03-23

1989-01-17

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351246, 351224, A61B 302

Patent

active

047984562

ABSTRACT:
A hyperacuity testing method is suitably programmed for quantitatively measuring metamorphopsia of a patient's visual system, detecting and measuring metamorphopsia behind a media opacity, such as cataract, and detecting and measuring smaller amounts of metamorphopsia and other visual distortions than previously possible. The method comprises displaying at least two spaced and fixed first spots on a screen, along with a movable second spot. A patient is instructed to selectively move the second spot relative to the fixed first spots whereby the clinician is enabled to comparatively record separation distances and displacement of the second spot relative to the first spots.

REFERENCES:
patent: 3025755 (1962-03-01), Koetting
patent: 3837734 (1974-09-01), Regan

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