These tumors, whether benign or malignant, will change the appearance of your dog’s eye. With melanoma of the iris, you may see one or more roughly circular brown or black spots (lesions) on the iris. … Over time, as uveal melanomas grow, they can distort the shape of the pupil or cause the pupil to dilate.
The degeneration of the iris — the colored part of the eye — is referred to as iris atrophy. … Holes within the iris stroma — black spots that may resemble additional .
“We always noticed this black spot in our dogs eye and we thought it was just part of the color of his eye. Recently we noticed that it was moving .
You do not say in what part of the eye the spots appear. If spots are on the eye, could just be dirt or debris which could easily be gently wiped .
i have a two and a half year old purebred yellow lab. she recently developed a black spot in her eye its about half the size of a pencil eraser.