Bible Verses About Spiritual Blindness: The Effect of Sin

For the LORD hath poured out upon you the spirit of deep sleep, and hath closed your eyes: the prophets and your rulers, the seers hath he covered.

But if thine eye be evil, thy whole body shall be full of darkness. If therefore the light that is in thee be darkness, how great is that darkness!

And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil.

For every one that doeth evil hateth the light, neither cometh to the light, lest his deeds should be reproved.