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What is the white cap in my dog's eye corner that wasn't there before?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | unspayed | 11 months and 13 days old | 2.5 lbs

My dog has this white cap in the corner of her eye that she hasn’t has before!

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1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on April 19th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! That is the third eyelid. That is considered a normal structure of the eye. Sometimes it can become elevated and visible and normalize on its own. I would recommend that you continue to monitor Paris for now. If this does not normalize in the next few weeks, have her evaluated by your veterinarian for further assessment to make sure everything is ok with her eye. Good luck and have a great day!

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