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Schirmer tear test I in dogs: results comparing placement in the ventral vs. dorsal conjunctival fornix
Author(s) -
Visser Hannah E.,
Tofflemire Kyle L.,
LoveMyers Kim R.,
Allbaugh Rachel A.,
Ellinwood N. Matthew,
Dees D. Dustin,
BenShlomo Gil,
Whitley R. David
Publication year - 2017
Publication title -
veterinary ophthalmology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.594
H-Index - 50
eISSN - 1463-5224
pISSN - 1463-5216
DOI - 10.1111/vop.12462
Subject(s) - fornix , dorsum , medicine , schirmer test , ophthalmology , tears , anatomy , surgery , dry eyes , hippocampus
Objective To compare Schirmer tear test I ( STT I) values obtained from placement of tear strips in the ventral and dorsal conjunctival fornices in dogs. Procedure Schirmer tear test I was performed on each eye of 16 clinically normal dogs (32 eyes) in a crossover study. Initial tear strip placement site was randomized for each eye. Alternative placement site measurements were obtained after 1 week. Results The mean (± standard deviation, SD ) STT I for dorsal and ventral conjunctival fornices was 20.44 (±4.46) mm/min and 23.56 (±3.98) mm/min, respectively. STT I values obtained from the ventral conjunctival fornix were significantly greater than those obtained from the dorsal conjunctival fornix ( P = 0.004). Conclusions Schirmer tear test I values were significantly greater with tear strips placed in the ventral conjunctival fornix.