ἐν οἰκίᾳ τυφλῶν καὶ ὁ νυκτάλωψ ὀξυδερκής → even the day-blind is sharp-eyed in a blind house | among the blind, the one-eyed man is king
gén. et dat. duel de χείρ.
χεροῖν: gen. и dat. dual. к χείρ.