When dogs have eye diseases, they will cause cloudy membranes in the eyes, such as conjunctivitis, keratitis, cataracts, etc. When dogs suffer from eye diseases, their eyes will feel painful and they will not be energetic. When an abnormality in the dog's eyes is found, it needs to be sent to the hospital for examination. If there is a lot of eye secretions, it needs to be cleaned with saline to avoid infection. Pay attention to giving the dog a light diet to avoid getting angry. Elderly dogs are prone to cataracts, which can seriously affect their vision and require prompt treatment.