| 摘要 |
PROBLEM TO BE SOLVED: To allow accurate viewing of the position of an object while attaining the weight reduction and the appearance improvement at a low cost. SOLUTION: The spectacles lens 1 includes: a convex surface 11 having a curved surface of a prescribed curvature; a concave surface 12 positioned on the side opposite to the convex surface, having a curved surface of a curvature different from that of the convex surface; and a peripheral edge part 13 positioned on the peripheral edge of the concave surface, molded closer to the convex surface side than the virtual curved surface 14 of the peripheral edge of the concave surface. The curved surface of the peripheral edge part 13 is molded with the same curvature as that of the convex surface 11 positioned opposite to the concave surface 12 successively provided on the peripheral edge part. COPYRIGHT: (C)2007,JPO&INPIT
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