This set of RIFE frequencies for Friedreich Ataxia seems to improve vision,
Friedreich Ataxia160 490 730 950 5260 7250 (st 1271 9250 2750 4254-3) Hz
Spinocerebellar ataxias are attributed to DNA damage/mutations. Another possibility is venom induced DNA damage.
Corallinus is a type of sea snake, this frequency might work for venoms in general.
Combined,
Friedreich Ataxia and Corallinus
and by itself,
Good night.