1988•Journal of the American Veterinary Medical AssociationRequires access

Effect of removal of lacrimal and third eyelid glands on Schirmer tear test results in cats

Susan A. McLaughlin, Alan H. Brightman, L. C. Helper, Nicholas D. Primm, Marcus G. Brown, Sarah Greeley

Abstract

Schirmer tear tests I and II values for 10 healthy cats were 16.2 +/- 3.8 mm/min and 13.2 +/- 3.4 mm/min, respectively. Surgical removal of the lacrimal gland or the third eyelid gland from the left eye resulted in decreased Schirmer tear test-I values. Clinical signs of keratoconjunctivitis sicca were not seen until the lacrimal and third eyelid glands were removed, at which time the Schirmer tear test-I value was close to 0 mm/min. Conjunctival glands (accessory lacrimal glands of Krause and Wolfring) appeared to contribute little to tear production in these cats.

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Key concepts: Schirmer test, KERATOCONJUNCTIVITIS SICCA, Medicine, Eyelid, Lacrimal gland, Tears, Lacrimal apparatus, Ophthalmology