| 摘要 |
<p>A description is given of a system comprising: a spectacle frame (1) with a pair of side bars (3), means of engaging a first pair of lenses (L1) and an intermediate bridge (9) between the lenses of said first pair, and a support (15) for a second pair of sum lenses (L2). The support comprises lateral retaining members (19) for the connection of the frame to the support, and an element (23) for the central connection of the support to the bridge. <IMAGE></p> |
