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My dog's eye is red and her third eyelid is visible. What should I do?

Updated On September 23rd, 2025

Pet's info: Dog | Bernese Mountain Dog | Female | spayed | 5 years and 1 month old | 100 lbs

My 5 year old Bernese Mountain has developed an unusually red eye that is typically clear. It is almost as if her third eyelid is visible now & it was not before. Any idea on what this condition might be? No known injury as she is typically an indoor dog, she does spend some time outdoors during the day.

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1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 19th, 2018

I agree that Macie's eye looks very red! This can be a sign of an eye infection as well as trauma to the eye or allergies. The eye is such a delicate and important structure that any problem with it should be considered an emergency. That's because leaving it untreated can lead to vision loss. I would take her into a vet today or first thing in the morning so her eye can be examined, diagnosed, and treated. Good luck, I hope this helps!

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2Pet Parents found this answer helpful

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