| 摘要 |
In a lens grinding apparatus, an edge corner-portion processing unit has a cutting tool for effecting a facet processing on an edge corner portion of a lens subjected to the finishing process. A region designating unit has a display unit for displaying a shape of the lens before the facet processing on the basis of inputted data. The region designating unit designates a region to be subjected to the facet processing using of the displayed lens shape. A selecting unit selects a facet processing style to be adopted for the designated region of the facet processing from among a plurality of facet processing styles. A computing unit obtains processing data on facet processing on the basis of the selected facet processing style and the position of the edge corner portion in the designated facet processing region.
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