| 摘要 |
A spectacle lens (2) has a first through-hole (22) into which a stud (16) formed in an end piece. The first through-hole (22) and the stud (16) have corresponding non-circular cross-sectional profiles. In the stud and in a contact portion of the end piece, a second through-hole (18) is formed, with a pin (24) being inserted therein, the pin having a head (28) which, with its lower side, abuts on the spectacle lens (2) on the side thereof facing away from the contact portion (10).
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