??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.Any retinitis pigmentosa in which the reason for the sickness is a mutation in the RHO gene. [from MONDO]??? ?? ??: ???? ??? ??? ? ?? ?? ??? ?? ???? ?????.By adolescence, all individuals with MLIV have severe visual impairment. A neurodegenerative ingredient of MLIV is becoming extra br