Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter
Patent
1989-11-03
1991-04-09
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Calorimeter
422 57, 422 58, 435805, 436162, 436169, G01N 3122
Patent
active
050063103
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.
REFERENCES:
patent: 3420205 (1969-01-01), Morison
patent: 3819490 (1974-06-01), Klingstrom et al.
patent: 4095950 (1978-06-01), Kahn
patent: 4428908 (1984-01-01), Ashley et al.
patent: 4857453 (1989-08-01), Ullman et al.
Gifford, Sanford R., et al., "Keratoconjuctivitis Sicca" in Archives of Ophthalmology (1943) 30: 207-216.
Jones, L. T. and Linn, M. L., "The Diagnosis of the Causes of Epiphora" in American Journal of Ophthamology (May 1969) pp. 751-754.
Roth, Andrew de, "Hypofunction of the Lacrimal Gland" from the Department of Ophthamology, Northwestern University Medical School. Read before the Chicago Ophthamological Society (Mar. 1940).
Gin Jerry
Wong Vernon G.
Johnston Jill
Rowland Bertram I.
Visionex
Warden Robert J.
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