CPC G02C 7/083 (2013.01) | 16 Claims |
1. A lens that includes an electroactive region where an optical characteristic changes by electric control, the lens comprising:
a first transparent substrate;
a second transparent substrate disposed facing the first transparent substrate; and
an intermediate layer disposed between the first transparent substrate and the second transparent substrate and including a mark including information,
wherein:
the first transparent substrate is disposed on a position closer to a user of the lens than the second transparent substrate in a state where the lens is in use;
the intermediate layer includes a liquid crystal layer in a position which corresponds to the electroactive region; and
the mark is placed on a position closer to the second transparent substrate than the liquid crystal layer in the thickness direction of lens.
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