pinhole glasses

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Have you heard about and tried Pinhole Glasses?

mercuryman3a @mercuryman3a (2477) • India 17 Feb 09

We are all aware of normal glasses which we put on to correct our vision. It is made of lens to adjust the focal length of the eyes so as to have the image formed on the retina. These glasses do not help the eyes to improve in...

pinhole glasses

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