KJV:
The light of the body is the eye: if therefore thine eye be single, thy whole body shall be full of light.
NASB:
"The eye is the lamp of the body; so then if your eye is clear, your whole body will be full of light.
KJV:
The light of the body is the eye: therefore when thine eye is single, thy whole body also is full of light; but when thine eye is evil, thy body also is full of darkness.
NASB:
"The eye is the lamp of your body; when your eye is clear, your whole body also is full of light; but when it is bad, your body also is full of darkness.