| abstract |
According to one embodiment of the present invention, there can be provided a composition for an optical material comprising a cyclic compound represented by the following formula (1) and an episulfide compound represented by the following formula (2). Further, according to another embodiment of the present invention, there is provided a process for producing an optical material comprising the step of adding 0.0001% by mass to 10% by mass of a polymerization catalyst to the total amount of the composition for optical materials, followed by polymerization and curing . [Chemical Formula 1] (2) (In the formula (2), m represents an integer of 0 to 4, and n represents an integer of 0 to 2.) |