Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Isaiah 42:16

And I will bring the blind by a way that they knew not, and I will cause them to tread paths which they have not known: I will turn darkness into light for them, and crooked things into straight. These things will I do, and will not forsake them.

Read in other translations