| 摘要 |
<p>Method for providing a referencing element to an optical lens member, the method comprising: an optical lens member providing step, during which an optical lens member is provided, the optical lens member comprising a first optical surface comprising a surface design associated with a first reference system and a second optical surface to be manufactured, the first and second optical surfaces are connected by an external periphery surface, a measuring step during which the first optical surface of the optical lens member is measured and the first reference system is determined, wherein the reference system is determined according to the shape and orientation of the first optical surface (11), a referencing step during which a referencing element is added to the optical lens member, wherein the referencing element identifies the first reference system.</p> |
