An excimer laser applies waves of ultraviolet light to reshape the corneal tissue of the eye to match the prescription from the patient's glasses or contact lenses (Spectera). ... The benefits of having LASIK laser eye surgery compared to PRK (Photo Refractive Keratectomy) are that the corneal tissue is not removed thus allowing post surgery corrections easier to perform. ... Side effects including discomfort, blurry vision, scratchiness, dryness, glare, haloes around lights, light sensitivity, and red patches on the white of the eye may result from surgery. ...

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• Grade Level: Undergraduate