Visual acuity is a measure of how small a detail that is visible can be, and still be identified by a person. The most common way of testing vision is to use an eye chart, (the kind that you see in an ...

Learn how dog senses affect their behavior and interactions with humans, plus tips to enhance their well-being.

We all know dogs are colorblind—or do we? Many people assume pups see the world in black and white, but that’s actually a myth. While their vision is different from ours, it’s far from colorless. In ...

As pets age, their hearing and vision are often some of the first things to decline. Vision loss can happen for several reasons, and for most dogs, it is a gradual process. Some dogs may develop eye ...

As our beloved canine companions age, they can suffer from a variety of vision-related issues. Just like humans, dogs experience a decline in sight due to various factors, including oxidative stress, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Glaucoma in dogs is a painful condition caused by high pressure within the ...

Glaucoma in dogs is a painful condition caused by high pressure within the eye. Two types of glaucoma can affect our canine companions: primary and secondary. Glaucoma can lead to blindness if it is ...