United Way of Lake Countyâs 13th Annual St. Patrickâs Day Celebrity Server Fundraiser Draws Nearly 700 Community Leaders,...
Q. My dogâs eyes are red. A. Dr. Nunnery: Changes in the color of the eyes can be disconcerting. In fact, itâs one of the most common eye concerns that compel owners to bring dogs to the vet.. My dog has been squinting, as well as rubbing, his eyes. A. Squinting or holding the eye shut usually indicates ocular pain, which can be intense because there are so many sensory nerve endings on the corneaâs surface.
Scientists have long known that dogs' eyes are physically equipped to perceive colors, and consequently that canines are not colorblind. But dogs are believed to see only shades of yellow, blue, and gray. That's because their eyes have only two types of color-sensitive cone cells as compared to three in the human eye.