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Lasers and their uses we have all at some point in our lives used or seen someone use a laser they are used in compact disc players for stereos or computers, laser surgery. Lasers and their applications essays laser is an acronym for light amplification by stimulated emission of radiation in the last century many types of lasers have been used for many. A comprehensive resource for safe and responsible laser use don’t aim laser pointers at a person’s head and eyes don’t aim a laser pointer towards a person’s head. Laser-tissue interaction like normal light, laser light can interact with tissue in four basic ways 1 as follows: (1) reflection: some light reflects back off the surface, its energy.