'Darkened' in the Bible

'The lamp of the body is the eye, when then thine eye may be simple, thy whole body also is lightened; and when it may be evil, thy body also is darkened;

if then thy whole body is lightened, not having any part darkened, the whole shall be lightened, as when the lamp by the brightness may give thee light.'

and the sun was darkened, and the vail of the sanctuary was rent in the midst,