Schirmer tear test
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United States of America Patent
Stats
-
Apr 9, 1991
Grant Date -
N/A
app pub date -
Nov 3, 1989
filing date -
Nov 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved Schirmer I Tear Test is provided. The improvement comprises a strip having a graduated migration scale printed on the test strip and the presence of a water soluble marker dye that comigrates with the tear migration front. Both improvements serve to increase the reproducibility of the test and ease which with the results are read.
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Family
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Cited Art Landscape
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