| abstract |
According to a preferred embodiment of the present invention, it is possible to provide a composition for an optical material comprising a cyclic sulfur compound represented by the formula (1) and a polymerizable compound other than the episulfide compound represented by the above formula (1). According to the optical material composition, the polymerizable compound can be stored stably and inexpensively, and an optical material excellent in hue, light resistance, and transparency can be obtained.n□n(where m represents an integer from 0 to 4, and n represents an integer from 0 to 2). |