Method and an apparatus for manufacturing an optical lens

摘要

A method of manufacturing an optical lens, the method comprising the steps of blocking a lens member at a first position on a blocker; determining the first position of the lens member with respect to the blocker; comparing the first position of the lens member with a predetermined position in order to determine a positioning error between the first position and the predetermined position; determining a surface position of the surface to be manufactured with respect to the blocker according to the positioning error; and configuring operational parameters of a lens manufacturing tool in order to manufacture a surface according to the determined surface position such that the desired optical properties of the optical lens are respected. The invention further relates to an apparatus for manufacturing an optical lens.

主权项

1. A method of manufacturing an optical lens, the method comprising the steps of:
removably mounting a lens member at a first position on a single blocking surface, the lens member having a surface to be manufactured and an opposing surface to the surface to be manufactured, the opposing surface being in contact with the blocking surface; determining the first position of the lens member with respect to the blocking surface while the lens member is on the blocking surface, wherein geometry of the opposing surface and a geometrical configuration of the blocking surface are used to determine positioning of the lens member with respect to the blocking surface; comparing the first position of the lens member with a predetermined position in order to determine a positioning error between the first position and the predetermined position; determining a surface position of the surface to be manufactured with respect to the blocking surface according to the positioning error; determining operational parameters of a lens manufacturing tool according to the determined surface position and configuring the lens manufacturing tool with the operational parameters for manufacturing the surface to be manufactured such that desired optical properties of the optical lens are obtained; and using the configured lens manufacturing tool on the lens member mounted on the blocking surface at the first position to manufacture the optical lens therefrom.