Cat eyes are mesmerizing—but they’re also surprisingly delicate. While your feline might seem totally fine, even a little squint or some extra blinking can be a red flag. That’s why it’s so important to spot early signs before they become serious problems. Whether you’re a new cat parent or a seasoned pro, here are 12 common cat eye conditions—and how to catch them early.
1. Conjunctivitis (A.K.A. “Pink Eye”)
Conjunctivitis is one of the most common eye issues in cats—and yes, they can get pink eye too. You’ll usually notice redness, watery discharge, and your cat pawing at their face like it’s driving them nuts. Sometimes both eyes are affected, but often it starts in one. It can be caused by allergens, bacteria, or viruses like feline herpesvirus. If your cat’s eyes look puffy and irritated, don’t wait it out. Get it checked early—it’s very treatable, but only if you catch it before complications set in.
2. Corneal Ulcers (Painful and Not Always Obvious)
Corneal ulcers are basically open sores on the surface of the eye, and they hurt—a lot. Your cat might squint constantly, avoid light, or suddenly start rubbing their face against furniture. These ulcers often result from trauma (like a scratch), infection, or untreated dry eye. While some cats recover well with medication, deep or untreated ulcers can lead to scarring—or even vision loss. If your cat’s eye suddenly looks cloudy or they’re in clear distress, it’s worth an urgent vet visit.
3. Glaucoma (Silent Vision Thief)
Glaucoma is one of those sneaky conditions that can lead to blindness before you even realize something’s wrong. It’s caused by a buildup of pressure inside the eye, and the signs aren’t always obvious at first. You might notice a swollen eyeball, cloudy cornea, or your cat becoming clumsy. In severe cases, the eye may appear visibly enlarged. Because it’s painful, cats may also withdraw or become irritable. This one needs fast vet attention—early treatment can help preserve vision.
4. Cataracts (Not Just a Senior Cat Problem)
While cataracts are more common in older cats, younger felines aren’t totally off the hook. You’ll usually see a white, milky film developing over one or both eyes. Although they don’t always lead to blindness, cataracts do affect vision and can be linked to other health issues like diabetes. Keep an eye out for clumsiness, hesitation when jumping, or a sudden change in behavior. A vet can confirm if it’s a cataract or something else with a quick exam.
5. Uveitis (The Hidden Inflammation)
Uveitis is inflammation inside the eye, and it can be a symptom of something more serious—like infections, immune system issues, or even cancer. The tricky part? It often presents subtly at first. Your cat might squint, their eye may look darker or redder than usual, and they could be sensitive to light. If you see any of those signs, especially paired with lethargy or loss of appetite, it’s time to call the vet. Uveitis isn’t something you want to mess around with.
6. Feline Herpesvirus (Recurring Eye Woes)
Feline herpesvirus is super common, and once a cat has it, it sticks around for life. The virus often flares up during stress and hits the eyes hard—causing conjunctivitis, corneal ulcers, and general discomfort. You might notice excessive blinking, squinting, or that classic goopy discharge. While you can’t cure it, there are treatments that help manage symptoms and reduce flare-ups. If your cat seems to get “eye colds” often, this virus could be the culprit.
7. Dry Eye (Keratoconjunctivitis Sicca)
Dry eye happens when your cat’s eyes don’t produce enough tears, which can leave the surface dry, irritated, and vulnerable to infections. You might see a thick, yellow discharge or notice that your cat blinks a lot and seems uncomfortable in bright light. It’s less common in cats than in dogs, but when it does happen, it’s often missed until the eye gets really inflamed. Eye drops and regular checkups can help keep things under control.
8. Cherry Eye (That Red Lump You Can’t Miss)
Cherry eye happens when the tear gland in the third eyelid pops out of place and becomes visible—a bright red, swollen mass in the corner of your cat’s eye. While it looks alarming, it’s not usually painful. That said, it won’t go away on its own and often requires surgery. It’s more common in certain breeds with facial folds, but it can happen to any cat. If you see that distinctive red blob, don’t panic—but do call your vet.
9. Entropion (When Eyelids Turn Inward)
This condition causes a cat’s eyelids to roll inward, so the lashes and skin constantly rub against the cornea. Ouch. It leads to excessive tearing, squinting, and eventually damage to the eye if left untreated. Kittens can be born with it, but it may also develop from chronic inflammation or trauma. It’s uncomfortable and often requires surgery to fix. Keep an eye out for cats that seem sensitive to light or whose eyes always look watery or irritated.
10. Retinal Detachment (Rare But Serious)
Retinal detachment can happen suddenly and is a medical emergency. The retina pulls away from the back of the eye, often leading to partial or total blindness. Causes include high blood pressure, trauma, or certain systemic diseases. You might not notice until your cat starts bumping into things or shows signs of vision loss. Sometimes you can see a change in the eye’s reflection or a dilated pupil that doesn’t respond to light. A vet can diagnose it with a special tool.
11. Eye Trauma (From Fights or Falls)
Cats are adventurous—and sometimes a little reckless. A scratch from another cat, a fall from a high shelf, or even rough play can lead to eye trauma. You might see blood, cloudiness, squinting, or your cat refusing to open the eye. Trauma should always be treated as an emergency, even if it seems minor. An untreated scratch can turn into an ulcer or worse. When in doubt, call your vet immediately and try to keep your cat calm and quiet.
12. Eyelid Tumors (Often Overlooked)
Tumors around or on the eyelids might look like harmless lumps at first—but they can grow, irritate the eye, or become cancerous. You may notice a bump on the eyelid, frequent blinking, or changes in the shape of your cat’s eye. While not all lumps are dangerous, it’s worth having them checked early. In many cases, surgical removal is a straightforward fix. The key is to act early before the growth causes damage or spreads.
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