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Related to Schirmer's test: rose bengal test
a test for keratoconjunctivitis sicca; a piece of filter paper is inserted into the conjunctival sac over the lower eyelid with the end of the paper hanging down on the outside. If the projecting paper remains dry after 15 minutes, deficient tear formation is indicated.
Etymology: Otto W.A. Schirmer, German ophthalmologist, 1864-1917
See test for lacrimation.