Answers

2016-02-29T09:49:41+05:30
Because the amount of light which comes in contact with our eyes is more which our pupil can't bear. Thus, looking at the sun directly cause blindness.
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Sorry..
NO issues
I think the rod cells are so sensitive to light and hight intensity of light from sun cause..
Sorry if I'm wrong..
Anyways your answer is so good..
2016-02-29T09:57:54+05:30
Due to the sunlight power when the sunlight and our eyes are in contact with each other suddenly we were close our eyes due to power of sun's light
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