If one or both of your dog’s eyes are looking different ... If you notice that your dog’s vision changes or his eyes appear to have a blue or gray cloudy film, he might have cataracts and ...

Ulcers can cause color changes in the cornea, from blue to red ... unilateral (one eye) or bilateral (both eyes), could be a sign of tumors or glaucoma. Small cloudy spot on dog’s eye: White ...

The reason lies within the eye. In the eye are light receptors ... Human cones can detect 3 colors: red, green, and blue. Dog cones can only detect 2 colors. No one is certain what those 2 colors ...