1. The cat's eyeball was damaged by an external impact, and the lack of timely treatment led to lesions and necrosis of the eyeball.
2. Cataracts in cats caused by diseases such as diabetes usually require surgery for treatment.
3. A viral infection in the cat can lead to secondary eye damage, causing clouding of the lens. It is recommended to take the cat to a reputable veterinary clinic for examination as soon as possible to determine the specific situation and then take appropriate treatment measures.
