Tokai Optical founded in 1939 with their increasing experience and technological capabilities which enables to continually move forward. Tokai aims to be one of the world's leading manufacturers with a specialization in spectacle lenses. Providing more than 2000 colors of lenses and operating an integrated system from material development to sales. The global market has seen growing demands for high index plastic lenses. In terms of the manufacturing technology for such lenses, Japan ranks the first in the world. And Tokai 1.7 AS UV SPS is considered to be the thinnest and most lightweight plastic lens in the world at the moment.