Isolated congenital ectropion (code 99171)

A rare eye disease characterized by congenital malposition of the lower or upper eyelids, unilateral or bilateral, with eversion of the edge due to vertical shortening of the skin tissue, resulting in exposure of the conjunctiva and sometimes the cornea. In severe cases, chronic epiphora and exposure keratitis may be observed.
https://www.orpha.net/fr/disease/detail/99171