A common misinterpretation views this passage literally as Jesus causing physical blindness in people as punishment, ignoring the metaphorical context of spiritual perception established throughout John 9; others reduce judgment to mere condemnation without recognizing its role in discerning truth from falsehood or mistakenly apply it to endorse judging others harshly rather than self-examining one's own spiritual sight, thus missing the irony that Jesus' presence divides based on heart response, not arbitrary divine caprice.
John 9:39
King James Version (1769)
39 And Jesus said, For judgment I am come into this world, that they which see not might see; and that they which see might be made blind.
Jesus declares His purpose in coming into the world as one of divine judgment, which paradoxically brings spiritual sight to those who acknowledge their blindness and need for Him—such as sinners and the humble—while rendering spiritually blind those who arrogantly claim perfect insight, like the self-righteous Pharisees who rejected His revelation; this highlights the reversal of human expectations where true enlightenment comes through humble faith and judgment exposes prideful delusion.