why do laser light cause permenent defect in the eye?
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it is very powerful it destroys the cornea and makes retina go blind.
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The most common problem associated with laser pointers and theeye is a condition called flash blindness. Flash blindness occurs when the eye becomes dazzled after being exposed to a brightlight. ... So a laser can cause permanent vision loss if it damages the retina
Laser procedures can help correct refractive errors. These are problems caused by an imperfectly shaped eyeball or cornea. The cornea is the clear part on the front of the eye that bends and focuses light. Refractive errors cause light from an object to be imprecisely focused on the retina of the eye. This causes a blurred image. Refractive errors often occur in otherwise healthy eyes.
Laser procedures can help correct refractive errors. These are problems caused by an imperfectly shaped eyeball or cornea. The cornea is the clear part on the front of the eye that bends and focuses light. Refractive errors cause light from an object to be imprecisely focused on the retina of the eye. This causes a blurred image. Refractive errors often occur in otherwise healthy eyes.
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