| 摘要 |
PROBLEM TO BE SOLVED: To correct material defect that influences the appearance quality after forming when it is on a forming raw material.SOLUTION: A method of manufacturing an optical element includes: a process (S1) for preparing a polishing lens as a material for forming; a heat treatment process (S2) for heat-treating the polishing lens 20; a washing process (S3) for washing the polishing lens 20 after heat treatment; and a forming process (S4) for forming the polishing lens 20 after washing by softening it by heat. |
