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Watery Eyes and Tear Stains in Persian Cats

Why do Persian cats' eyes water all the time? Learn what causes tear stains, which eye signs need a vet, and how to care for a Persian's eyes gently.

2 min readUpdated 2026-09-29

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Big round eyes are a big part of the Persian's charm. They're also why so many Persians have wet cheeks and brown tear stains [1]. Here's what's normal, and what isn't.

Why do Persian cats' eyes water?

It comes down to the flat face [1]:

  • The eyes are large and stick out, and the eyelids may not fully close, so the eye surface is more exposed [1].
  • The tear ducts, which normally drain tears into the nose, can be short or bent, so tears spill down the face instead [1].

How common are eye problems?

Very. In a UK study of over 3,000 Persians, eye problems were the second most common health issue after skin problems, affecting about 15% of the cats [2]. Eye discharge was the most frequent finding [2].

Is it contagious?

Tear overflow in Persians comes from the shape of the face, not from an infection passed between cats [1].

What signs mean "see a vet"?

Book a vet visit if you notice:

  • Thick, yellow or green discharge, or a red eye [1][2].
  • Squinting, pawing at the eye, or sensitivity to light [3].
  • A dark brown or black spot on the surface of the eye [3].
  • Constant wetness or staining that's new or getting worse [1].

Don't wait: a dark spot on the eye can be a sign of a condition called corneal sequestrum, which should be checked by a vet promptly [3].

How can I help day to day?

  • Gently wipe the stained area under the eyes with a soft, damp cloth as part of daily care [1].
  • Buying a kitten? Look for a less extreme flat face, and ask the breeder whether the parents had eye problems [1][3].

Did you know? Research suggests the dark eye spot (corneal sequestrum) is strongly inherited in Persians, Himalayans and Exotics, though no single gene has been found [3].

FAQ

Are tear stains normal for a Persian?

They're common, but constant wetness can irritate the skin, so it's worth mentioning to your vet [1].

Can it affect my cat's sight?

Some eye problems, if left alone, can damage the eye. That's why new or changing signs need a vet [3].

Can I clean the eyes at home?

Yes: gently wiping the fur around the eyes is routine care [1]. Anything more is a question for a licensed vet.

Sources (3)

The official and scientific references behind this article.

  1. Persian cats and brachycephaly — International Cat Care (iCatCare), https://icatcare.org/articles/persian-cats-and-brachycephaly (accessed 2026-09-28)
  2. Persian cats under first opinion veterinary care in the UK: demography, mortality and disorders (O'Neill DG, et al., 2019) — Scientific Reports, via PubMed Central, https://pmc.ncbi.nlm.nih.gov/articles/PMC6748978/ (accessed 2026-09-28)
  3. Genetic Aspects of Corneal Sequestra in a Population of Persian, Himalayan and Exotic Cats (2022) — Animals (Basel), via PubMed Central, https://pmc.ncbi.nlm.nih.gov/articles/PMC9367464/ (accessed 2026-09-28)

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