Method for controlling fixation of a patient's eye during perimeter measurements
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United States of America Patent
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Aug 11, 1987
Grant Date -
N/A
app pub date -
Sep 18, 1985
filing date -
Sep 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for controlling the fixation of the eye of a patient during measuring of the sensitivity of the retina of the eye using a perimeter tester having a plurality of spaced testing light points of adjustable brightness, including the steps of adjusting the testing light point which lies in the center to the threshold value of the center of the eye of the patient, and thereafter repeatedly illuminating this testing light point with the threshold value or a super-threshold value near the threshold (1-4 dB superthreshold) to facilitate control of the fixation during the entire examination.
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