The surgeon then folds back the hinged flap to obtain the underlying cornea (known as the stroma ) and removes some corneal tissue applying an excimer laser . Having said that, PRK has designed rather of a comeback recently as a result of studies indicating that PRK and LASIK develop https://www.reddit.com/r/LASIKTreatment/comments/1n23gax/lasik_treatment_in_mumbai_expert_doctors_better/