Updated November 1, 2026. Fact-checked against veterinary sources; review by a licensed veterinarian is in progress. See our editorial policy.
Protecting your dog’s eyes is mostly about spotting problems early and reducing avoidable injury. It does not mean washing the eyes daily or putting in preventive drops. Many causes of red or watery eyes, including tear-production problems and inherited eyelid disorders, cannot be prevented with a home product.
Keep the face clean without irritating the eye
If discharge dries on the surrounding fur, soften it with clean damp gauze and wipe gently away from the eye. Use a separate piece for each eye. Do not scrub the cornea, apply essential oils or use contact-lens solutions intended for people. If the eye itself is red or painful, cleaning is not the treatment: arrange an examination.
Reduce the everyday risk of scratches
Dogs that run through tall grass, brush and thorny plants may injure the eye surface. Watch for low branches along familiar walks, and be cautious with rough face-to-face play. Use care around shampoos, sprays and household cleaners; prevent product from reaching the eyes. If something irritating gets into an eye, contact your veterinary clinic for appropriate flushing and follow-up advice.
Know your dog’s particular risks
Dogs with prominent eyes or short muzzles may be more susceptible to surface injury or incomplete eyelid closure. Dogs with long facial hair may need careful grooming around the eyes by someone skilled in handling them. Dry eye and eyelid abnormalities may require long-term veterinary care. Ask your vet what is normal for your individual breed rather than using a general-purpose eye supplement.
Examine what you can see, not what you cannot
While petting your dog, notice whether the eyes appear symmetrical and comfortably open. New squinting, heavy tearing, colored discharge, a cloudy surface, visible swelling or sudden trouble seeing is not something to watch for a week. For these signs, see when to seek veterinary help for eye symptoms. A corneal ulcer or glaucoma can threaten vision, and a veterinarian may need to measure pressure or stain the cornea.
Why over-the-counter drops are not a universal solution
Eye problems have different causes. Some products can worsen injury or hide symptoms, especially steroid-containing drops in a dog with an ulcer. Never use another animal’s prescription or human redness relievers without veterinary direction. Routine wellness exams can help uncover problems before owners notice pain.
Further reading
Merck Veterinary Manual, canine eye disorders; Merck: Warning signs requiring veterinary attention.
This article is for general education and is not a substitute for care from your own veterinarian. Learn about The Pet Vet and our editorial policy.