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• Cataracts in dogs

  A cataract is an abnormal cloudiness of the eye, caused by a change in the lens. Cataracts stop light reaching the back of the eye, reduce vision and eventually cause blindness.

• Nystagmus (flickering eye movements) in a dog

  Nystagmus is the word we use to describe flickering eye movements. In certain circumstances, flickering eye movements are normal, but your dog’s eyes should not flicker when their head is still.

• Weepy eyes in cats

  A little bit of crusting in the corner of the eyes is normal but if you notice more than usual it could be a sign of a problem in cats.

• Blindness in cats

  Surprisingly, it’s not always easy to tell if your cat is going blind. There are many possible causes – some cause sudden blindness, some cause gradual blindness, some are treatable, some are not.

• Eye ulcers (corneal ulcers) in dogs

  Ulcers often appear suddenly and get rapidly worse. However, eyes heal quickly so with vet treatment an ulcer is likely to heal within a few days.