The god of this age has blinded the minds of unbelievers, so they cannot see the light of the gospel of the glory of Christ, who is the image of God.
KJV
In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.
ASV
in whom the god of this world hath blinded the minds of the unbelieving, that the light of the gospel of the glory of Christ, who is the image of God, should not dawn upon them.