With the latest advancement of optical technologies, there are a lot of options anyone can pick out one that offers him attain the best quality vision available according to his specification and needs.  One example is the manufacture of lenses coated with melanin, the pigment that is secreted by melanocyte, a pigment-producing cell in the skin, hair and eye that determines their color.  This kind of lense protects your eyes from the harmful rays of the sun. However, Lasik procedure has quickly become a favorite choice of the customers because of a remarkable progress in their vision almost immediately after surgery.  While others focus on the improvement of vision, it aims to reduce, if not, eliminate dependence on glasses or contacts.  That is where the difference lies.

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