The advent in the 1960s of the unique and exciting new form of energy called laser brought to medicine a marvelous tool that could accomplish new treatments of previously untreatable disorders as well as improved treat- ment of mundane problems. This brilliant form of light energy is many times more powerful than the energy of the sun yet can be focused microscopically to spot sizes as small as 30 microns. Lasers can be directed into seemingly inaccessible...
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