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My cat came back from the garden with one eye shut and a wet line of tears down her face. I thought it was a bit of dust. It was a corneal scratch, a thin groove across the clear front of her eye from a sunflower stalk she had stalked and pounced on. The eye is fragile, and a scratch on it is not a small thing.
The cornea is the clear window at the front of the eye. A scratch on it, called a corneal ulcer when it goes deeper, hurts the way a paper cut on your eyeball would, constant, burning, light-sensitive. Cats respond by squinting, watering, and rubbing, which only makes it worse. My girl kept pawing at it, so the cone came out the same day.
The vet stained the eye with a drop of orange dye that lights up damage under a blue light. The scratch glowed like a map line. Shallow scratches heal fast with drops. Deeper ones, where the scratch opens a crater, can ulcerate and, in the worst cases, let the eye rupture. That is why you do not wait and hope it clears.
Treatment was antibiotic drops to stop infection and pain drops so she would leave it alone. The cone stayed on for the full course, which she hated and I enforced. A cat who rubs a corneal scratch can turn a line into a hole in an afternoon.
Follow the drop schedule exactly. Eye medications are dosed tightly and a missed day lets bacteria gain ground. I set alarms and did it in the bathroom light where I could see the eye. The improvement was visible within three days, the squint easing, the tearing stopping.
Watch for the wrong kind of change. If the eye looks more clouded, more shut, or the cat seems in worse pain on day two rather than better, call back. A scratch that deepens needs different care, sometimes a protective contact lens or, rarely, a stitch. Catching that turn early spares the eye.
Prevent the next one. Sunflower stalks, tall grass blades, and the corners of cardboard boxes are common culprits. My cat now watches birds from a screened porch instead of the flower bed during bloom season. Indoor cats get these too, from a claw slip or a rough play bite, so the eye check belongs in the regular cuddle.
The scratch healed clean and she can still glare at me with both eyes, which is her main hobby. A corneal injury is scary because it involves the eye, but caught early it is one of the more fixable emergencies. The lesson was simple: a shut eye is a same-day vet trip, not a wait-and-see.
The drops were a two-person job at first, me with the bottle and my partner with the cat, because a cat who knows the bottle is coming develops opinions about the bathroom. We wrapped her in a towel, held her gently, and lifted the lower lid to drop in the medicine. She tolerated it for the treats, and within a few days she associated the towel with the reward and stopped fighting. Routine beat resistance every time.
Signs it is worsening are worth memorising, because the eye hides trouble well. More squinting rather than less, a greyer or cloudier look to the eye, discharge that changes colour, or the cat suddenly hiding and refusing food, those mean the scratch has ulcerated or infected and needs the vet today, not tomorrow. The first version of my cat's eye improved daily; had it worsened I was ready to turn straight back.
Prevention since then is mostly about the garden. Sunflower stalks, tall grass blades, and the sharp corners of cardboard boxes are common scratchers, and she now watches birds from a screened porch during bloom season instead of charging the flower bed. Indoor cats get these too, from a claw slip in play or a rough nose-to-nose with a feline friend, so the eye check belongs in the regular cuddle, not only after a known scrape.
The scratch healed clean, the stain showed no groove on the follow-up, and she can still glare at me with both eyes, which remains her principal hobby. An eye injury is frightening because it involves sight, but caught early it is among the more fixable emergencies, and the cone, as hated as it is, is the thing that protects the eye while it mends. A shut eye is a same-day vet trip, not a wait-and-see, and that one rule would save more cat eyes than any medicine.
Tell other cat owners, because a scratched eye is so easy to dismiss as a bit of dust, and so quick to turn serious. The cone is unpopular with the patient but popular with the outcome, and the drops are a small price for keeping the sight in a green eye that has glared at you through many dinners. She is back to the sunflower watch now, from the safe side of the screen, and the eye is clear. A shut eye is a same-day vet trip, and that one rule, repeated often enough, saves more cats than any medicine in the cabinet.