What Is Night Vision Test?

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night-vision-test

Basically, night vision is the ability to view the pictures well in complete darkness without any light on the surroundings. It includes the dilation of the pupil and the rod cells in the eyes and checking whether the animals are having the special membranes in their retinas called as the tapetum lucidem. These are some of the tests you can implement it on yourself or on the animals. Testing the rod cells can be done by adjusting the eyes to the darkness for about 20 minutes and then focus the side of the object with your peripheral vision, which contributes to the night vision.

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