A clip-on sunglass assembly for positioning clip-on lenses with respect to spectacles worn by the consumer including a central body, a first pair of clamping arms extending from the central body with the first pair of clamping arms including a central region and arm extensions, a second pair of clamping arms extending from the central body, the second pair of clamping arms also including a central region and arm extensions in an opposed position with respect to the first pair of clamping arms, a support rail for supporting the lenses mounted on the central body and a spring for biasing the central regions of the first and second pair of clamping arms away from one another and the arm extensions of the first and second clamping arms toward one another for securing the clip-on sun glass assembly with respect to the spectacles.