| 摘要 |
<p>The invention relates to glasses, comprising a frame and a lens system for the correction of defective vision, which comprises at least one pair of lenses formed by a first lens and a second lens, which first and second lens, viewed in the path of vision, are disposed one behind the other and are mutually adjustable for realising a desired degree of correction of vision, wherein the first lens is in a fixed position in the frame and the second lens is movable laterally along the first lens.</p> |
