The dog cannot speak to us in a language we can understand. Sometimes, we can decipher what they are trying to communicate through their eyes. Their eyes reflect some expressions and augmented with whimpers or growls and body movements, provide us with an idea of what they want to tell us.
The dog’s sense of sight is not as powerful as their sense of smell and hearing. While the dog is still a puppy, age o to 4 weeks, expose them to people in different settings and occasions to get them accustomed to selected people, such as the immediate family and close relatives and regular visitors to the house. Without these exposures, the dog may grow up with phobias and fears about people and may affect its trainability and future behavior around people. Tests show that dogs have a two hundred and fifty degree field of vision.
Although their eyes are considered the weakest of their senses, their field of vision is still much better than humans, exceeding our field of vision by seventy degrees. A dog’s perfect vision is an average 20/75 unlike a human’s 20/20 vision. Some breeds of dogs are even capable of looking at two different places at the same time.
Although dogs can see a moving object as far as three hundred and fifty meters away, they can spot stationary objects at a distance of only about two hundred meters. Hunting and herding dogs have a more developed sense of sight than other breeds. They can even sense physical movements of their masters. However, despite this added advantage, they still rely on their sense of smell and hearing to help them out.
Dogs are not color blind in the strict sense though their recognition of colors is different from ours. They perceive color in varying shades. For example, a rainbow’s colors to the dog would be dark blue, light blue, light-gray, light yellow, dark brownish yellow and dark gray. Purple and blue are seen as shades of blue. Red is seen as black or dark gray. Bright orange toys and green grass appear to be the same color to them which is a yellowish shade. If the dog has difficulty finding an object in the grass, they will use their nose to help them along. Seeing eye dogs cannot discern the traffic light colors and so rely on their other senses to guide the human across the street.
Dogs can see best at dusk and dawn. Dogs can see better in the dark because their pupils open up wider than ours. Have you noticed how shiny and bright a dog’s eyes become when you flash a light at their eyes? When a light strikes their eyes, it reflects the ocular lenses in the back of their eyes, making their eyes appear to shine brighter than usual.
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