From what we have seen here are the options that any Uchiha has to prevent blindness from MS:
1st - Gain EMS by getting brother or sister eye, this could change in Boruto manga.
2nd - Getting Hashirama DNA, Obito spammed his MS yet never went blind unlike Sasuke, Itachi and Kakashi who MS went blind.
1st - Gain EMS by getting brother or sister eye, this could change in Boruto manga.
2nd - Getting Hashirama DNA, Obito spammed his MS yet never went blind unlike Sasuke, Itachi and Kakashi who MS went blind.