????? ??? ??, ?? ??? ??? ??? ? ?? ?? ??????. ???? ???? ??? ? ?? ?? ??? ?????.?? ????? ???? ??? ???? ?? ??? ? ?? ???? ??? ? ????. ?? ????? ??? ????? ??? ???? ?? ???? ??????!??? ?? ??: ???? ??? ??? ? ?? ?? ??? ?? ???? ?????.Retinoblastoma is really a malignant tumor on the acquiring retina that occurs in young children, commonly prior to age five yea