Different Perspectives: Understanding the Differences in Animal Vision

We depend on our senses to help us navigate and understand the world around us, and our animal friends are no different. While our pets use their eyes in a similar fashion as we do, there are some fascinating differences in animal vision versus human vision.

Oakland Veterinary Referral Services invites you take a look at the world through the eyes of your pet.

How Vision Works

The basics of visualizing something are the same among all mammals. People, dogs, and cats all rely on the same visual processes in order to see something.

Pet Eye Problems: Corneal Ulcers

DogEyesOne minute your pet is fine, and the next she is squinting her eye, tearing and reluctant to open the eye.  You call the vet and they tell you to come in right away. What could be happening with your pet’s eye health?

One of the most common causes of these symptoms is a corneal ulcer.  The cornea is the clear tissue at the front of the eye. Although similar to skin, having an outer epithelial layer, middle stromal layer and inner endothelial layer, the cornea is very thin being approximately 0.5 mm.

If the outer layers of this tissue are damaged then a corneal ulcer or “an open sore” of the tissue develops. There can be many underlying causes including trauma, eyelash problems etc., however many times the underlying cause cannot be determined.


Your veterinarian can confirm the diagnosis of a corneal ulcer by examining the eye and using a special fluorescent dye applied to the eye to Continue…

Cataracts and Your Pet


A cataract is the disruption in the normal structure of the lens of the eye, causing an opacity and partially or completely blocking a pet’s vision. Cataracts are one of the most common eye problems in pets, and they can affect pets of all breeds and ages.   Continue…