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When can my dog get a dry eye test after corneal ulcer eye drops?

Updated on September 23rd, 2025

Pet's info: Dog | Yorkshire Terrier | Female | spayed | 9 years and 8 months old | 3.6 lbs

How long after last dose of BNP eye ointment for a corneal ulcer can a dry eye test be given?

2 Answers

Most Helpful Answer

Laura Johnson VMD

Answered By Laura Johnson VMD

Veterinarian

Published on August 16th, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach!

I would say about 5-7 days after the ointment has stopped and the ulcer is healed you can have your vet to the Schirmer Tear Test (STT) to see if Bella has dry eye.

I hope this helps!
Vote Icon1Pet Parents found this answer helpful

Related Answers from Veterinarians

  • Answered By Daniel Fonza, DVM

    Veterinarian

    Hello and thank you for your post! Typically say to wait a minimum of 1 hour before performing the test but on average I run the test 3 or more hours after the last dose with how scheduling ends up for most people and this has never resulted in false readings.

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    1Pet Parents found this answer helpful

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