A corneal transplant could be needed if the cornea is irreversibly weakened, including from serious an infection or trauma. This is generally A final resort and only carried out when other fewer invasive treatment techniques have already been unsuccessful. Not everyone is a very good prospect for LASIK. Consider these https://www.reddit.com/r/CataractSurgerycare/comments/1n2d4h0/cataract_treatment_in_gurgaon_safe_affordable_eye/