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Veterinary ophthalmologists are often asked, "How well do animals see?" Visual function involves a combination of many factors, including: the field of view, depth perception, acuity, perception of motion, and color differentiation. All of these functions must then be integrated by the brain to produce useful vision. Although we are unable to ask our pets to read an eye chart, through comparative studies, it is possible to make some educated assumptions about their vision.
Most humans have the ability to see all the different colors of the electromagnetic spectrum, and consequently perceive all its' colors. Man's best friend is colorblind, but, fortunately, his survival does not depend upon the ability to see colors. His keen sense of smell compensates for his inability to see colors, and enables him to differentiate between things.
Extensive scientific testing on dogs supports the conclusion that they live in a colorless world. The testing done primarily focused on the dogs' responses to colors for food. Dogs could not tell the difference between one color, a signal for food, and other colors, that were not for food. Similar tests conducted on cats produced similar results, which led scientists to conclude that they, too, are colorblind and live in a gray world.
The inability of most animals to see colors, from an evolutionary standpoint, is quite simple to understand. Many colorblind animals have dull-colored coats, hunt for food in the dark of night, or graze in the dim twilight hours. Their other senses have developed to the point where the lack of color vision in no way impairs them. For them, life in a colorless world is neither a handicap, nor a threat to their survival.
The only animals, other than man, scientists can conclusively say have color vision are monkeys and apes. Both can be trained to open a colored door, behind which is food, and man can be trained to open a refrigerator door of any color!
Welcome to South Coastal Animal Health
Dr. Grace Strake DVM, Dr. Lori Harvey DVM, Dr. Liz Czaplicki DVM, Dr. Sandra Tam-Brinker DVM,
Dr. Sophie Johnstone DVM, Dr. Colleen Mead DVM, Dr. Kim Fortier Leidl DVM
South Coastal Animal Health opened it's doors in July of 2006. Privately owned and operated by Dr. Grace Strake, SCAH is a state of the art veterinary practice with a personal touch. Unlike larger hospitals, at South Coastal you will develop a one on one relationship with the doctors and the staff. We offer comprehensive animal health care ranging from preventative medicine and vaccinations to intensive care cases and involved surgical procedures. At South Coastal we pride ourselves on our top quality care, modern, fully equipped facility and friendly, knowledgeable staff.
Your Pets . . . Our Family!
We are open for appointments Monday - Saturday and can handle some emergencies normal business hours.
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