??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.Any retinitis pigmentosa through which the reason for the ailment is really a mutation from the RHO gene. [from MONDO]??? ?? ??: ???? ??? ??? ? ?? ?? ??? ?? ???? ?????.Retinoblastoma is a malignant tumor of your developing retina that happens in little ones, commonly ahead of age five y