| 摘要 |
<p>Spectacles comprising a frame (1) in which is mounted lenses, the surface of each lens carrying a design which is such that the lens is divided into zones each having a desired degree of opacity. The design may consist of a series of lines (2) which may be substantially straight or radially arranged with respect to the respective lens or circular or any combination thereof. The design may be in one or more colours which may be fluorescent. The design may be formed by paint, tape or adhesive plastics material and may be fused into the lenses. <IMAGE></p> |
