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My dog has a spot on his eye, but it's not a cataract. What is it?

Updated On September 23rd, 2025

Pet's info: Dog | Pomeranian | Male | neutered | 3 years and 8 months old | 5 lbs

Hi my dog has a spot on his eye but it doesn’t look deep enough to be a cataract. What could it be?

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4 Answers

Most Helpful Answer

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Answered By Vanessa Yeager DVM MPH

Veterinarian

Published on October 2nd, 2017

Hi and thank you for your post on Petco Pet Education Center, formerly Petcoach! It is hard to say exactly what the issue may be with Draco's eye without performing an ocular exam on him and running a few tests on the eye first, but I can offering a possibility. Spots on the cornea (clear part of the eye) itself can indicate a corneal ulcer or breaks in the cornea. These can be painful and uncomfortable. You may notice tearing or frequent discharge from the eye. Your veterinarian can diagnose a corneal ulcer with an ocular exam and a few tests. It is treatable with medication. I hope this helps and I hope you are able to take Draco into his veterinarian soon!

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    Answered By Dr. Strydom, DVM

    Veterinarian

    Published on May 25th, 2019

    I'm sorry but without examining the eye myself with an ophthalmoscope and using some special staining it is hard for me to comment. These things cannot be diagnosed with a photo. If there was a corneal ulcer sometimes they will scar and that spot will remain forever. I suggest you take him back to the vet so they can check it since they know what it looked like originally. If the eye seems comfortable I would not be overly worried. If the eye is not comfortable (squinting, excessive tearing, etc) then I would be worried that the ulcer may not be healing well. The other option is that the spot may not be an ulcer. It could be a fungal spot. But again, there is no way for me to tell you if that is the case. I would have Bruno back to your vet for a follow-up. Best wishes.

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    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on January 13th, 2019

    This does look like an eye infection and possibly an ulcer. This is concerning because it can compromise eye sight and is painful. However, you got the right idea by already having scheduled an appointment with your veterinarian. Your vet will examine your dog as well as the eyes, will apply some fluorescent dye to the cornea which will enable him to see a corneal ulcer or injury if present. Your dog will likely receive prescription eye ointment or drops as well as pain medicine.

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    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on November 3rd, 2016

    This could be a corneal ulcer, which is quite common in Shih Tzus. Eye conditions always need to be examined and treated by a veterinarian. Your vet will do a fluorescein test (will put a type of die into the eye, then flush it out and the die will adhere to the ulcer to show the whole extent). Depending on the severity and type of ulcer your vet will prescribe an antibiotic and possibly other medications to help the eye to heal.

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