“…In order to correct ischemia, application of glued on hard contact lens have been recommended (20). Many surgical procedures, such as Denig operation (oral mucosa transplantation) (21)(22)(23), conjunctival grafting (24), tenonplasty (25)(26)(27)(28), amniotic membrane transplantation (29)(30)(31)(32)(33)(34)(35)(36)(37)(38), and limbal autotransplantation (39)(40)(41)(42)(43)(44)(45), have been tried for the management of chemical burns with an unpredictable outcome. Lamellar keratoplasty (chaud) (46)(47)(48) as a therapeutic measure has been used sparingly.…”