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How Lasers Damage the Eyes. Be it an accident or on purpose, staring into a laser pointer can cause some serious damage to your eye. The kind of damage caused (permanent or temporary) is determined on a case by case basis. Damage also depends on how strong the laser is.
1 A lens will be placed on the eye to allow the doctor to focus the laser on the retina. 2  You will then hear some clicks of the machine firing and see some bright flashes of light.  It is important to keep the eye as still as possible, to keep the eyes open and not to squeeze the eyes closed.