Plus, your dog may have a more serious condition that could ... Corneal ulcers cause red and watery eyes, sensitivity to light, squinting, rubbing the eyes with a paw, or rubbing on furniture ...

Many animals have three sets of eyelids (so do humans ... If you're wondering, 'Why are my dog's eyes red?' this could be the answer. I spoke to Dr. Kelly Hood, a vet who also represents Pet ...

Dogs have a third eyelid called a nictitating ... The main symptom of cherry eye is a pink or red lump of tissue in your dog’s eye near the lower eyelid. Other symptoms of cherry eye in dogs ...

The eye depends on light to see, and how well we see depends on how much light the eye can absorb. When the eye's cells receive sensory signals from light and color, those signals are sent to the ...

I noticed a swelling on the right upper eyelid of our 4-year-old large breed dog. I took him to a local emergency clinic ...

Dogs' eyes, like those of most other mammals ... However, in dogs and in people who are colorblind, both red light and green light have a neutral effect on the neurons. With no signal to interpret ...

Perhaps you've sat on the couch next to your dog and wondered: What do they see when they look up at the television screen? Are they as engaged as their human counterparts? Scientists at the ...