| 摘要 |
PCT No. PCT/JP85/00098 Sec. 371 Date Oct. 25, 1985 Sec. 102(e) Date Oct. 25, 1985 PCT Filed Feb. 28, 1985 PCT Pub. No. WO85/04033 PCT Pub. Date Sep. 12, 1985.A spectacle-frame shape data producing method in which a spline interpolation function is used to digitize the shape M of a spectacle frame to provide spectacle-frame shape data, and the shape M of the spectacle frame is obtained by a lens maker's factory to produce spectacle lenses having prescribed values and an optimum thickness conforming to the spectacle frame. |
