To provide a cured product that not only has excellent photochromic characteristics, but also has excellent moldability, is manufacturable in good yield in a facility not requiring strict temperature control, and has excellent mechanical and optical properties.SOLUTION: A polymerizable composition according to the present invention includes: (A) a compound including two or more allyloxycarbonyl groups represented by the general formula (1) in the figure; (B) at least one polymerization initiator selected from the group consisting of peroxyketal-based radical polymerization initiators, peroxy monocarbonate-based radical polymerization initiators, and peroxyester-based radical polymerization initiators; and (C) at least one photochromic compound selected from a naphthopyran compound group.SELECTED DRAWING: None
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