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Colors As Seen By A Dog

The world as seen in the eyes of a dog will be in white and in different shades of grey. It was once believed that dogs do not have the ability to see colors. Dogs are acclaimed for their heightened senses. Dogs have protected humans using their excellent scenting and hearing abilities. Sighthounds are breeds highly valued for their excellent vision. Dogs are claimed to have the ability to see better in the dark as well . As long as a dog is on guarding duty, people can sleep soundly at night.

Nature has endowed our furry friends with very sensitive senses but the ability to see colors cialis 100mg in the same way humans can was left out. Dogs can see color but the colors they can distinguish are fewer than what humans can see. Canine vision was studied in the University of California and it was proven that although a dog’s capability to see colors is not as detailed as human’s, dogs can indeed see colors. Yes, Fido cannot appreciate the new bright red ball as to the eyes of the dog the new toy would appear to be a hard to see black or dark brownish gray ball.

Humans and dogs are very similar in genetics. Similar to humans, a dogs eye has special cells called cone photoreceptors that controls color perception by catching the light. However, while humans have three cone photoreceptors, dogs only have two. The three cones in our eyes delivers 100% full range vision while dogs have approximately 20% range of color vision as they lack on cone. This makes the dog’s buy Pulmicort online vision about six times less inferior than human vision.

The ROYGBIV colors of the rainbow will be seen by the dog as blue, light blue, grey, light yellow, brownish yellow and dark grey. The world, as seen by the dog will be in yellow, grey and blue colors. Surprisingly, dogs have the ability to see the subtle differences in the shades of blues and violets.

Humans cannot see the slight change in the shades of violet and blues because of the yellow pigmentation that obstructs short wavelengths and lessens the eyes’ sensitivity. Dogs do not have this yellow pigmentation thus they can distinguish the blue and violet shades.

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This post was written by admin on October 5, 2010

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