| 摘要 |
<p>The lens (1) has a rear surface and a front surface, where a set of markings e.g. mark pattern, glass horizontal (20), long-sight reference point (25) and prism reference point, is arranged on the area of the rear surface. Another set of markings e.g. another mark pattern, glass horizontal (30), glass-vertical (31) and long-sight reference point (32), is arranged on, in or below the area of the front surface. A three-dimensional position reference is specified between the former and the latter set of markings. The markings cover asymmetrical symbols. Independent claims are also included for the following: (1) a method for manufacturing an eyeglass lens (2) a method for positioning the eyeglass lens.</p> |
