A corneal transplant could be needed in the event the cornea is irreversibly ruined, like from intense infection or trauma. This is often a last resort and only done when other a lot less invasive treatment strategies have been unsuccessful. LASIK takes about 15 minutes per eye to execute, which https://www.slideshare.net/slideshow/lasik-eye-surgery-in-gurgaon-clear-vision-with-expert-care/282757858