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Why do you need glasses to look in a mirror?

Asked by mzehnich (282points) February 15th, 2010

Just got glasses for distance seeing and this has been bugging me. Why do you have the same sight focus when both staring out into the distance, and looking into a mirror that is a couple of feet away? Why are glasses (that normally help you see objects many feet away, out of focus) required to see something that is 2 feet away (i.e. the mirror)?

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