Isaiah 6:10 directly describes God shutting eyes and hardening hearts, mirroring the psalm's plea for darkened eyes as divine judgment.

Isaiah 29:10 says God has closed their eyes and poured out a deep sleep — directly parallel to the psalm's request for darkened eyes.

John 12:40 quotes Isaiah 6:10 directly — God blinded their eyes, exactly the judgment prayed for in the psalm.

Acts 28:27 completes the quote, showing closed eyes and unrepentant hearts — a direct echo of the psalm's curse on enemies.

Romans 11:10 directly quotes Psalm 69:23: 'Let their eyes be darkened... and bow down their back alway.'

Deuteronomy 28:65-67 lists covenant curses including failing eyes and trembling heart, echoing the darkened eyes and shaking loins of Psalm 69:23.

Deuteronomy 28:29 pronounces a curse of groping in darkness like the blind, paralleling the darkened eyes in Psalm 69:23.