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My cat's pupils are always small. Should I worry about his eyesight?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | unneutered | 1 year and 10 months old | 7 lbs

Just a curiosity I have a cat that use to have Large pupils in the dark and small in the bright light... A while now his pupils are always small regardless of the brightness... He seems to see just fine and I have tried to test his eye sight for stereoscopic vision by seeing if he misses when jumping or catching a toy... Note he has three legs and he is fixed...

1 Answer

Most Helpful Answer

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Answered By Vanessa Yeager DVM MPH

Veterinarian

Published on September 4th, 2019

Hi and thanks for posting on Petco Pet Education Center, formerly Petcoach! This doesn't sound normal to me and good thinking with the at home vision tests. There may be something abnormal going on with his vision that should be checked out with an eye exam at your veterinarian's office. There, your vet should be able to tell you what the issues with his eyesight may be. I hope this helps!

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