Comparison of the TONOVET Plus®, TonoVet®, and Tono‐Pen Vet™ tonometers in normal cats and cats with glaucoma

Objectives To determine the accuracy, precision, and clinical applicability of the ICare® TONOVET Plus (TVP) in cats. Animals and Procedures IOP readings obtained with the TVP were compared to values obtained concurrently with the original TONOVET (TV01) and Tono‐Pen Vet™ (TP) in 12 normal cats (24...

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Bibliographic Details
Published in:Veterinary ophthalmology 2023-09, Vol.26 (5), p.414-421
Main Authors: Kiland, Julie A., Terhaar, Hannah M., Walleck, Hannah E., Chen, Nickolas, McDaniel, Kyle, McLellan, Gillian J.
Format: Article
Language:English
Subjects:
Animals
Anterior Chamber
applanation tonometry
cat
Cat Diseases - diagnosis
Cats
glaucoma
Glaucoma - diagnosis
Glaucoma - veterinary
Intraocular Pressure
manometry
rebound tonometry
Reproducibility of Results
Tonometry, Ocular - veterinary
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Summary:Objectives To determine the accuracy, precision, and clinical applicability of the ICare® TONOVET Plus (TVP) in cats. Animals and Procedures IOP readings obtained with the TVP were compared to values obtained concurrently with the original TONOVET (TV01) and Tono‐Pen Vet™ (TP) in 12 normal cats (24 eyes) and 8 glaucomatous LTBP2‐mutant cats (13 eyes) in vivo. Reproducibility of TVP readings was also assessed for three observers in the above cats. The anterior chambers of five different normal cat eyes were cannulated ex vivo. IOP was measured with the TVP, TV01, and TP at manometric IOPs ranging from 5 to 70 mmHg. Data were analyzed by linear regression, ANOVA and Bland–Altman plots. ANOVA was used to assess reproducibility of TVP readings obtained by different observers and an ANCOVA model controlled for variation of individual cats. p 
ISSN:1463-5216
1463-5224
1463-5224
DOI:10.1111/vop.13123