My Cat's Eyes Are Always Fully Dilated. Cat’s eyes will always dilate periodically. She is a very lazy cat so she doesn't get excited much.
The reason that the eyes are dilated is because your cat is effectively blind. Your cat's pupils sound consistently dilated, which can be a sign of her losing her eyesight. If your animal is feeling anxious, it is your our duty to find the reason why your animal is disturbed and treat it in order to restore emotional stability.
I think she has allergies because she sneezes a lot and always seems to have conjunctivitis, and now we have noticed that for the past several days her eyes have been constantly fully dilated!
If the pupils of your cats eyes are a different size then this is known as anisocoria. She is a very lazy cat so she doesn't get excited much. Dilated eyes (actually the pupils) look like the eyes in the photo below. Somehow his brain compensates for nystagmus.