Severe corneal disease caused by dry eye or chronic keratitis, dense cataracts, and retinal detachment are some causes of dog blindness. If you suspect vision loss, take your dog to a vet as it could be due to age-related changes. Eyesight cannot be maintained just by applying substances to the eyes, as vision loss is usually due to a biological process.

While there isn't an eye test similar to what humans undergo, there are some vision tests conducted at the vet's office. These include tracking a laser pointer or cotton balls, and checking pupil reactivity to bright light.

Eyedrops can be used if prescribed by a vet. Buying over-the-counter eyedrops from local stores without a vet's approval is discouraged. It is important to examine the dog's eyes to determine the appropriate treatment.

It is not advised. A proper diagnosis and prescription from a vet is crucial before starting any treatment. She warns against applying any substance into the dog's eyes without a vet's recommendation.

Dogs actually have 3 eyelids. Cherry eye is a term for when a dog's third eyelid, which is usually tucked up into the inner corner of the eye, pops out. The gland in that eyelid can look like a red, inflamed cherry. There are various treatments for this condition, so you should consult your veterinarian.

Yes, dogs can get pink eye, which is a bacterial infection. We tend to see it from pet to pet in daycares where they play and are in close contact, but it's not highly contagious from dog to dog, and it's not contagious to humans. It causes a red, inflamed eye and usually a green mucoid discharge.

It's best to use a food reward since dogs are food-motivated. Have your dog look up, then bring your hand up and around the back to apply the medication from the top down. Use one drop or a grain-of-rice-sized amount of ointment between the eyelids, then gently massage the area. It could be helpful to place a treat, like peanut butter or squeeze cheese, on a wall to have the dog look up while you apply the medication.