YOU SAID:
I became blind and deaf yesterday
INTO JAPANESE
私は昨日目が見えなくなり、耳が聞こえなくなった
BACK INTO ENGLISH
I was blind and deaf yesterday
INTO JAPANESE
昨日は目が見えず、耳が聞こえなかった
BACK INTO ENGLISH
I was blind and deaf yesterday
That didn't even make that much sense in English.