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Short Communication


Schirmer tear test and strip meniscometry in healthy cats.

Liga Kovalcuka, Liga Sarpio, Aija Malniece.


Cited By:3

Abstract
Abstract
Background: The surface of the eye is covered by the preocular tear film, which is critical for maintaining a normal, healthy, visual and comfortable eye. The Schirmer tear test (STT) and, more recently, strip meniscometry (SM) are used to evaluate tear production.
Aim: To establish the normal values for STT and SM in healthy cats and to discover the correlation between these tests.
Methods: A total of 25 mixed breed cats, aging from 8 months to 13 years of both genders (10 females, 15 males) were included in the study. All the cats were assigned to the study as being both clinically and ophthalmologically healthy. For the SM test, the tip of the strip was used to evaluate the meniscus without touching the eyelid or the cornea for five seconds. After a full tear washout period of 10 minutes, the STT was performed using a standard Schirmer tear test strip.
Results: In the right eyes, the mean ± SD of SM was 4.32 ± 2.27 mm/5s, and in the left eyes it was 5.04 ± 2.24 mm/5s (for both eyes combined: 4.68 ± 2.26 mm/5s), with a median of 4 in both eyes; the reference values ranged from 4.04 mm/5s to 5.32 mm/5s. No significant differences were recorded in the SM between the right and left eyes of the cats when using the SM (p > 0.05). When the STT was used, the mean ± SD for the cats’ right eyes was 12.16 ± 4.04 mm/min, and for the left eyes it was 12.76 ± 4.1 mm/min (for both eyes combined: 12.46 ± 4.20 mm/min), with a median of 13.50 for both eyes. Reference values were calculated and ranged from 11.27 mm/min to 13.65 mm/min. No significant differences were recorded between the STT for the right and left eyes (p > 0.05).
Conclusion: Both tests can therefore be used to assess tear production in cats. For more precise results, SM should be evaluated according to the cat’s eye position—whether it is a brachiocephalic cat or a normaloid cat—and according to age. In all cases, STT and SM should be evaluated according to the animal’s clinical status and the results of other diagnostic tools.

Key words: cat, STT-1, meniscometry, tears


 
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How to Cite this Article
Pubmed Style

Kovalcuka L, LS, Malniece A. Schirmer tear test and strip meniscometry in healthy cats.. Open Vet J. 2021; 11(4): 695-699. doi:10.5455/OVJ.2021.v11.i4.21


Web Style

Kovalcuka L, LS, Malniece A. Schirmer tear test and strip meniscometry in healthy cats.. https://www.openveterinaryjournal.com/?mno=105114 [Access: February 15, 2024]. doi:10.5455/OVJ.2021.v11.i4.21


AMA (American Medical Association) Style

Kovalcuka L, LS, Malniece A. Schirmer tear test and strip meniscometry in healthy cats.. Open Vet J. 2021; 11(4): 695-699. doi:10.5455/OVJ.2021.v11.i4.21



Vancouver/ICMJE Style

Kovalcuka L, LS, Malniece A. Schirmer tear test and strip meniscometry in healthy cats.. Open Vet J. (2021), [cited February 15, 2024]; 11(4): 695-699. doi:10.5455/OVJ.2021.v11.i4.21



Harvard Style

Kovalcuka, L., , . L. S. & Malniece, . A. (2021) Schirmer tear test and strip meniscometry in healthy cats.. Open Vet J, 11 (4), 695-699. doi:10.5455/OVJ.2021.v11.i4.21



Turabian Style

Kovalcuka, Liga, Liga Sarpio, and Aija Malniece. 2021. Schirmer tear test and strip meniscometry in healthy cats.. Open Veterinary Journal, 11 (4), 695-699. doi:10.5455/OVJ.2021.v11.i4.21



Chicago Style

Kovalcuka, Liga, Liga Sarpio, and Aija Malniece. "Schirmer tear test and strip meniscometry in healthy cats.." Open Veterinary Journal 11 (2021), 695-699. doi:10.5455/OVJ.2021.v11.i4.21



MLA (The Modern Language Association) Style

Kovalcuka, Liga, Liga Sarpio, and Aija Malniece. "Schirmer tear test and strip meniscometry in healthy cats.." Open Veterinary Journal 11.4 (2021), 695-699. Print. doi:10.5455/OVJ.2021.v11.i4.21



APA (American Psychological Association) Style

Kovalcuka, L., , . L. S. & Malniece, . A. (2021) Schirmer tear test and strip meniscometry in healthy cats.. Open Veterinary Journal, 11 (4), 695-699. doi:10.5455/OVJ.2021.v11.i4.21