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5 Reasons why dog eyes work like night vision camera

23 Jun 2016 | by Ruchika Anand | Posted in: Wag Brag

Dogs see differently during the daytime and when the lights are out. Their eyes are naturally equipped to see things clearly in the dark. It is easier for a dog to get around the house in the dark and not stumble upon the furniture or get hurt by running into items. Though they see in shades of grey and not in living color like humans do, their mirror like eye structure gives them a better vision in the low light and in the dark.

Dog’s eyes are like night vision cameras, and allow more light in their pupils that let them see clearly through dim light or even when it’s pitch dark.

Image Source : https://pixabay.com

Here’s how their vision works in the dark:

1. Cone cells in their eyes allow more light to be absorbed. They see more clearly during dusk or when it is dark, as the structure of their eye allows their eyes to be illuminated because their pupils are large and the cells in their eyes are sensitive to any motion even in the dark. 

2. Rods in dog’s retina help them see things in shades of grey view in the dark. Dogs have a good vision because of the structure of their retina, which gives a mirror-like clarity, especially, in the dark.

3. A cell layer called tapetum in dogs is found in any of these four colors, such as orange, brown, yellow, green, and blue. Depending on the breed, these colors of the cell layers constitute to the brightness they feel in their eyes. Not every dog has the same cell layer color. A few dogs that have an absence of this cell layer can still see in the dark, but not with as much clarity as the dogs who have this layer present in their eyes.

4. These layers stimulate the photosensitive cells in the dog’s eyes and give maximum exposure of the vision present in front of their eyes. These layers give them nocturnal ability which is absent in humans.

5. Dogs can see better in dim light and in the dark because the lesser light is directly hitting their retina, making their eyes absorb rays from fewer directions. When bright light hits their eyes, larger portions of light get absorbed, making their vision blurry during daytime or in the presence of bright light. Due to the structure of their eyes, they are capable of seeing in the dark with more distinction.

So the next time you are stuck at home without electricity at night, don't worry about your dog since he’ll be fine… Rather, it’s YOU, you need to be worried about, lest you end up stumbling over something and having a fall!

 

 

 

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