Luke 4:18
ESV - 18 The Spirit of the Lord is upon me, because he has anointed me to proclaim good news to the poor. He has sent me to proclaim liberty to the captives and recovering of sight to the blind, to set at liberty those who are oppressed.
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.
The phrase “recovering of sight to the blind” is not quoted directly from the Old Testament, but it seems to be inspired by Isaiah 35:5 or Isaiah 42:7.