Older Cats Eyes Are Always Dilated
Basically the ligaments that hold the lense in place have degraded and the lenses have slipped forward.
Older cats eyes are always dilated. Blind or partially sighted cats can cope very well and therefore hide the problem. A cat that has consumed toxins will frequently have. Besides interfering with a cats vision this condition may be painful for the cat.
The cats eyes need to be dilated regularly so if the pupils never contract this is a real problem. Sudden blindness is often caused by Untreated Feline Hypertension. He is almost 1 year old if that helps and not neutered we are going to eventually.
Iris atrophy can both inadvertently make your cats pupils look dilated while also making it more challenging for the cat to restrict their pupils. If the pupils of your cats eyes are a different size then this is known as anisocoria. Cats cannot hide all the symptoms of pain and constantly dilated cats eyes are a giveaway.
It could be because of age-related pain over-irritation or atrophy. Elderly cats have eye discharge due to viral infections such as feline herpesvirus 1 FHV-1 and bacterial infections such as feline infectious anemia FIA. Feline hypertension can be related to several factors including kidney thyroid or heart disease so be sure to take your cat to the vet so that they can prescribe effective treatment.
This is what is happening with your cat it seems to me. Im concerned she is going blind. Older and overweight cats are highly prone to this condition and will have a blood pressure thats greater than 160mm Hg.
Glaucoma is a condition that causes high eye pressure. Cats eyes should dilate periodically so its a real concern if the pupils never contract. A cats eyes being dilated can be a sign of illness elsewhere in their bodies.