Abstract: This invention relates generally to an illumination system that is configured for attachment to a hard hat or the temple arm portion of a pair of eyeglasses. The illumination system includes a light source and a multi-axis pivot assembly to permit directional adjustment and focus of a beam of light. An adapter clip is provided to facilitate attachment to the temple arm portion of the eyeglasses. The adapter clip includes a plurality of grooves positioned between two flexible side portions to allow the clip to be slid along the temple arm to a desired position and snapped into a locked position. The illumination system is fully adjustable in terms of light intensity and direction of the light beams.