Photorefractive keratectomy (PRK) is the commonest choice to LASIK. PRK removes the epithelial layer on the cornea and employs a laser to reshape it. Most Unwanted effects are insignificant and disappear within a couple months or fewer. And you may use artificial tears, sun shades or other aids your eye https://www.slideshare.net/slideshow/lasik-eye-surgery-in-gurgaon-clear-vision-with-expert-care/282757858