Cataracts in Dogs

Below are some answers to common questions we often get about cataracts in dogs and cats. Click on each question for more information.

Cataracts in dogs are opacities or white areas in the lens. The lens is normally crystal clear and focuses light on the retina for dogs to see things clearly. If there are white areas, the lens can’t focus properly, so your dog gets blurred vision or decreased vision. Some dogs even go blind from cataracts.

In dogs, genetics or diabetes are the most common causes of cataracts. Cataracts cause the lens protein to change from a clear to white, similar to how an egg changes from clear to white when it is cooked. In cats, cataracts are uncommon and are typically caused by other conditions. Learn more about Eye Conditions in Cats.

Cataracts in dogs cause the lens to go completely white or have white spots in it. Depending on how large the cataracts are, dogs may have normal vision or be completely blind. Sometimes, your dog’s vision decreases over time as the cataracts get bigger.

Cataracts in dogs can also cause other eye problems like inflammation inside the eye or glaucoma. It’s important to treat other dog eye problems cause by cataracts to help keep your pet comfortable. We will perform a complete pet eye examination and discuss all of your pet’s eye conditions with you.

Just like human cataracts, dog cataracts require surgery for removal. There aren’t any drops that cure cataracts. During dog cataract surgery, the cataracts are removed using powerful ultrasound energy. Then, a new, artificial lens is usually placed to provide normal vision. If you would like to know more about cataract surgery or if your pet is scheduled for a cataract evaluation, learn more here.

  • This is an example of a small cataract in a dog (as shown in the white area in the center of her eye). This cataract is not causing any vision problems at this time.
  • This is a complete cataract affecting the entire lens of this dog. This cataract is causing blindness and requires surgery for removal.
  • This little dog has had cataract surgery.
    The new lenses makes the eyes look normal again and he can see again! He is quite happy about that.
  • Boston Terrier with a new lens following cataract surgery.
    This little dog had cataract surgery. The new lenses makes the eyes look normal and allows her to see again. She is very happy to see her toys!

We would love to meet your pet and talk with you about any eye condition your pet may have. Come visit us!

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