Compact visual field tester
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United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Jan 22, 1999
filing date -
Jan 22, 1999
priority date (Note) -
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Abstract
A visual field tester which measures the visual field of a patient's eye, which visual field tester includes: (a) an optical radiation source having an entrance pupil plane, which optical radiation source outputs one or more spots of optical radiation; and (b) an optical relay system which relays a point in the entrance pupil plane or a point conjugate to the point in the entrance pupil plane to the patient's eye with a one-to-one magnification, wherein the optical relay system comprises a beamsplitter disposed at an angle with respect to a retroreflector array.
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