'Eyes' in the Bible

That which was from the beginning, that which we have heard, that which we have seen with our eyes, that which we did behold, and our hands did handle, concerning the Word of the Life --

and he who is hating his brother, in the darkness he is, and in the darkness he doth walk, and he hath not known whither he doth go, because the darkness did blind his eyes.

because all that is in the world -- the desire of the flesh, and the desire of the eyes, and the ostentation of the life -- is not of the Father, but of the world,