For many people, their pet dogs are considered part of the family. However, just like any family member, dogs also experience health issues and the most common is eye problems. If your dog exhibits symptoms such as excessive tearing, redness, swelling of the eyelids, cloudiness, itchiness or a change in the shape of the eye, take him/her to a vet immediately. These may be symptoms of a significant dog eye problem that if not treated may result in difficulties of them seeing an image in certain conditions. or visual impairment or blindness.