| There are many common misconceptions about | | | | of humans do not always work against them. As |
| dogs, such as the belief that they will die if they | | | | a result, the dogs have night vision that is far |
| eat apples or that their mouths are cleaner than | | | | superior to humans and they are far better at |
| human mouths. However, some things that people | | | | tracking movement. However, they are not able |
| say about dogs actually are true. One of the | | | | to see in nearly as much detail and they are able |
| common ideas about dogs that actually has some | | | | to detect fewer colors and shapes than humans. |
| truth to it is the claim that they are colorblind. | | | | When pet owners learn about the way that their |
| Dogs are not colorblind in the sense that they | | | | dogs actually see things, they often wonder if it |
| only see images in black and white. However, | | | | affects the way that they are able to play with |
| they do have a significantly limited color field | | | | their pet. It is true that if someone throws an |
| compared to what humans can see. Most of what | | | | orange ball to their dog in the green grass, it will |
| dogs can see appears to be in shades of yellow, | | | | look like a yellow ball on yellow grass to the dog. |
| blue and violet. They are not able to see the reds, | | | | Because of this, they may have difficulty actually |
| greens and oranges that humans see because | | | | seeing the ball but they will still be able to catch it |
| these colors appear somewhere in their blue and | | | | because of their excellent motion detection skills. |
| yellow spectrum. | | | | There are significant differences between the |
| The reason that dogs have trouble seeing color | | | | eyes of dogs and humans and these make it |
| can be best explained by comparing their eyes to | | | | difficult for dogs to distinguish between many |
| human eyes. Both human and canine retinas have | | | | colors that humans can see easily. Although they |
| two types of photoreceptors, rods and cones. | | | | cannot see a lot of different colors, dogs are able |
| However, the human eye has more types of | | | | to see some shades and are not limited to only |
| cones while the canine eye has more rods and no | | | | seeing in black and white. The differences in their |
| fovea, which allows humans to see with such | | | | eyes give dogs superior motion detection abilities |
| sharp detail. | | | | which make up for their lack of ability to |
| The differences in the eyes of dogs from those | | | | distinguish the actual difference in colors. |