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Related Experiment Videos

[Keratometry in dogs: two automatic hand-held keratometers compared]

C Görig1, A Meyer-Lindenberg, S Ulrich

  • 1Klinik für kleine Haustiere, Tierärztlichen Hochschule Hannover.

Tierarztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
|February 14, 1998
PubMed
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Automated keratometers provide a feasible and well-tolerated method for measuring canine ocular refraction, essential for veterinary ophthalmology when manual methods fail due to lack of cooperation.

Area of Science:

  • Veterinary Ophthalmology
  • Ophthalmology
  • Animal Health

Background:

  • Manual keratometry is challenging in dogs due to limited cooperation.
  • Automated keratometers are used in human pediatric ophthalmology and are suitable for animals.
  • Accurate ocular refraction measurement is crucial for veterinary procedures.

Purpose of the Study:

  • To compare the applicability of two portable automated keratometers in dogs.
  • To assess the reliability and tolerance of automated keratometry in canine patients.
  • To establish a practical method for determining ocular refraction in dogs.

Main Methods:

  • Two portable automated keratometers were used to measure corneal radius in 40 dogs (8 beagles, 32 various breeds).
  • Examinations were conducted on awake and anesthetized dogs.

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  • Statistical analysis included standard deviation, regression analysis, and Student's t-test.

    • Main Results:

    • Both automated keratometers yielded comparable results for horizontal and vertical corneal radius measurements.
    • The instruments were well-tolerated by the dogs.
    • The method proved to be rapid and minimally stressful for canine patients.

    Conclusions:

    • Portable automated keratometers are a viable and effective tool for canine keratometry.
    • This technique offers a practical solution for ocular refraction assessment in veterinary ophthalmology.
    • Automated keratometry facilitates accurate pre-operative planning in dogs, similar to human medicine.