Why is it that when you look at something for a long time , when you look at a blank surface the object is still there but in a different colour and blurry? Why do we sometimes get blurry spots on our eyes?
Why is it that when you look at something for a long time , when you look at a blank surface the object is still there
Posted on June 17, 2015 by in Question. Comments Off on Why is it that when you look at something for a long time , when you look at a blank surface the object is still there
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