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New research · Ophthalmology
Open veterinary journal · 5d
StudyOpen veterinary journal · 2026

Evaluation of corneal sensitivity in 40 Pantaneiro horses using the Cochet-Bonnet esthesiometer.

Eduardo Ferreira Faria, Paulo Roberto Spiller, Alice Mamede Costa Marques Borges … Nathalie Moro Bassil Dower
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OphthalmologyStudy

Pantaneiro horses average 1.72 cm corneal sensitivity on Cochet-Bonnet testing

Evaluation of corneal sensitivity in 40 Pantaneiro horses using the Cochet-Bonnet esthesiometer.

Eduardo Ferreira Faria … Nathalie Moro Bassil Dower
Open veterinary journal · 2026
Background

Corneal sensitivity is a crucial ophthalmic parameter for the protection and maintenance of ocular health in horses.

Purpose

This study aimed to evaluate the corneal sensitivity of 40 Pantaneiro horses using the Cochet-Bonnet esthesiometer, in order to establish reference values for this population.

Methods

The animals were considered clinically healthy after a complete ophthalmic examination.

n = 40 Pantaneiro horses
1.72
Results
1.72
cm
less nerve sensation than most horses - a duller blink-protective reflex
n = 40 Pantaneiro horses
“
Conclusion

This study contributes to filling an important gap in the veterinary ophthalmic literature by providing normative data on corneal sensitivity in Pantaneiro horses, a breed still underrepresented in comparative ophthalmologic studies.

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