הַחֵרְשִׁ֖ים שְׁמָ֑עוּ וְהַעִוְרִ֖ים הַבִּ֥יטוּ לִרְאֽוֹת׃
Surdos, ouvi; e vós, cegos, olhai, para que possais ver.
Rashi on Isaiah
You deaf ones...and you blind ones He is referring to Israel.
Ibn Ezra on Isaiah
Ye deaf etc. Hearing and seeing originate in the heart; those that are deaf and blind in their hearts are, therefore, called here deaf and blind.