AI Article Synopsis

  • The study aimed to evaluate and compare various ocular surface parameters in dogs before and after surgery for distichiasis, using a scientific approach.
  • A total of 12 dogs (23 eyes) underwent a series of ophthalmic tests at multiple time points to assess tear production, tear film stability, and other factors critical to eye health.
  • Results showed no significant changes in key ocular measurements post-surgery, suggesting that the treatments did not negatively impact tear film parameters, although the small sample size limits definitive conclusions.

Article Abstract

Objective: The aim of this pilot study was to establish a satisfactory, scientific approach to effectively compare quantitative measurements of various ocular surface parameters before and after surgical treatment in dogs suffering from distichiasis.

Methods: An ophthalmic examination was conducted on 12 dogs (23 eyes) before and after surgical treatments for distichiasis, at four different time points, (t = before surgery, t = 1-2 h after surgery, t = 1 week after surgery, t = 1 month after surgery, and t = 6 months after surgery) between 2021 and 2022, and analyzed retrospectively. The examination included Schirmer tear test-1 (STT-1), interferometry, noninvasive tear film break-up time (NIBUT), tear meniscus size (TMS), and meibography.

Results: No statistically significant changes were found in STT-1 (t: 22.2 ± 6.5 mm, t: 22.5 ± 5.7 mm, t: 20.8 ± 5.1 mm, and t: 22.6 mm ± 4.8 mm) before and after surgery. Mean interferometry scores showed a slight, not statistically significant, decrease from t to t and t (t: 2.1 ± 0.8, t: 2.1 ± 0.7, t: 2.1 ± 0.9, t: 1.8 ± 0.6, and t: 1.9 ± 1.1). Mean NIBUT did not change significantly between time points (t: 3.9 ± 1.3 s, t: 4.0 ± 1.3 s, t: 4.0 ± 1.4 s, t: 3.5 ± 0.7 s, and t: 3.5 ± 0.9 s). TMS showed a slight, not statistically significant increase (t: 0.5 ± 0.3 mm, t: 0.5 ± 0.3, t: 0.5 ± 0.3 mm, t: 0.6 ± 0.2 mm, and t: 0.7 ± 0.3 mm). There were no changes in the gross morphology of the meibomian glands (MG).

Conclusion: This pilot study could not detect a negative effect of different forms of treatment of distichiasis on the precorneal tear film parameters in dogs. However, due to the study's retrospective nature and small sample size, no definitive conclusion can be drawn regarding the changes at the different time points.

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Source
http://dx.doi.org/10.1111/vop.13275DOI Listing

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