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- Title
Measurement of phenol red thread tear test in Arabian and throughbred horses.
- Authors
Şındak, Nihat; Kandemir, Levent; Yertürk, Muğdat; Biricik, Halil Selçuk
- Abstract
Objective To determine physiologic levels of tear production in Arabian (AH) and throughbred horses (TH) by using phenol red thread test (PRT). Animals studied The study was performed on 16 AH and 14 TH, ranging from 2.5 to 24 years of age, housed in a stable situated in the Sanliurfa of Turkey. Procedures For the measurement of PRT, the strip was placed under the lower eyelid approximately one-third the distance from the temporal to nasal canthus and left for 15 s. The length of the wet area was measured in mm and compared among breed, sex, and age groups and between eyes of both sides. Results The mean length of the wet area was in AH and TH were 30.22 ± 0.99 mm ranging from 16 to 41 and 31.00 ± 1.4 mm ranging from 14 to 47, respectively. There were no significant differences in tear production among breed, sex, or age groups. The values measured for left eyes were significantly higher than those for right eyes ( P < 0.05). Conclusions Phenol red thread test measurement is easily used, with no pain, and a comfortable method. PRT can be used in equine ophthalmology on a routine basis to the measurement of tear production. These normal PRT values help diagnosis keratoconjunctivitis sicca in horses.
- Subjects
SANLIURFA (Turkey); TURKEY; HORSE diseases; ANIMAL diseases; PHENOL; VETERINARY diagnosis
- Publication
Veterinary Ophthalmology, 2010, Vol 13, Issue 4, p219
- ISSN
1463-5216
- Publication type
Article
- DOI
10.1111/j.1463-5224.2010.00786.x