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Cataracts in Cats

Cataracts in Cats

Are you concerned about your cat's vision, or have your cat's eyes started to cloud over? Today, our Elk Grove vets discuss cataracts in cats, the signs to watch for, and how they can be treated.

What are cataracts?

A cataract refers to an increase in the opacity (or "cloudiness") of the lens of the eye. The lens is responsible for focusing light on the retina and allowing clear vision, so when it is obstructed, vision and focus issues can occur.

When a cat starts to develop a cataract, the normally clear lens develops an opaque appearance that interferes with the ability of light to reach the retina. Cataracts can vary in severity, resulting in different levels of vision loss.

Cats of any age, sex, or breed can develop cataracts. A genetic predisposition to inherited cataracts has been observed in Himalayas, Birmans, and British Shorthairs.

What causes cataracts in cats?

Any type of damage to the lens of your cat's eye could result in the formation of a cataract. Some specific causes of cataracts include:

  • Inflammation Within The Eye
  • Genetic Or Hereditary Factors
  • Trauma To The Eye
  • Metabolic Diseases, Such As Diabetes Or High Blood Pressure
  • Nutritional Imbalances
  • Radiation Exposure
  • Cancer
  • Infections Such As Viral, Bacterial, Fungal, Or Protozoal

The most common cause of cataracts in cats is inflammation within the eye, often described as uveitis. This inflammation can occur as a result of underlying diseases or infection. Uveitis can lead the body’s immune system to recognize the lens as a foreign material, contributing to the formation of cataracts.

How can I tell if my cat is developing cataracts?

Regular routine exams can provide your veterinarian with an opportunity to monitor the health of your cat's eyes and spot the very early signs of cataracts (before symptoms become obvious to pet parents). Cataracts are typically most easily treated when diagnosed in their earliest stages.

In many cases, cataracts in cats go undiagnosed until they are fairly progressed because cats tend to cope well with vision loss while in their familiar home environment.

It is important to note that not all hazy eyes are caused by cataracts. As cats age, the lens often develops a cloudy appearance due to an aging change known as nuclear sclerosis or lenticular sclerosis.

That said, if your cat has cataracts you may notice that they begin showing signs of vision loss such as bumping into furniture, reluctance to wander around, extra caution on stairs, or even difficulties finding their food bowl or litter tray.

What is the treatment for cataracts in cats?

When possible, the most effective treatment for cataracts is ocular surgery. This surgery involves breaking down and removing the cataract (a process known as phacoemulsification), then replacing the lens of the eye with an artificial lens.

However, cataract surgery is not suitable for all cats. If your kitty has significant inflammation within the eye, cataract surgery may not be an option. Unfortunately, there are no medications that can dissolve cataracts or slow their progression. This means that cataracts will not clear up on their own and will continue to get more severe. Fortunately, cataracts are not painful and due to the very slow progression of cataracts, most cats are able to adjust well to blindness, and live very happy and comfortable lives.

In the scenario that surgery is not a viable option, medications such as corticosteroids or non-steroidal anti-inflammatory eye drops may be used to decrease the inflammation within the eye in order to minimize symptoms (but not necessarily cure the condition).

Glaucoma does not respond well to medical treatment and often requires the removal of the eye; therefore, medical treatment of feline cataracts is often focused on preventing secondary glaucoma.

Note: The advice provided in this post is intended for informational purposes and does not constitute medical advice regarding pets. For an accurate diagnosis of your pet's condition, please make an appointment with your vet. 

Have you noticed signs of cataracts or vision loss in your feline friend? Contact our Elk Grove veterinarians today to book an eye exam for your cat.

New Patients Welcome at Bruceville Pet Hospital

We are happily accepting new patients at our conveniently located Elk Grove veterinary clinic! Our experienced vets are passionate about the health of companion animals. Reach out today to book your pet's first appointment.

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