Mooren's ulcer and peripheral ulcerative keratitis is a very difficult situation to deal with amd treat it. This books aims to provide the readers with diagnosis and management of peripheral ulcerative keratitis. This book also provides information about the diagnosis of Mooren's ulcer and novel technique to deal with very aggressive Mooren's ulcer. Customised corneal grafting with additional amniotic membrane grafting and peripheral lamellar grafting for the management of mooren's ulcer.