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Abstract

A polymerizable composition containing; (A) 100 parts by weight of a vinylbenzyl compound of the formula (I), ##STR1## wherein each of R.sup.1 and R.sup.2 is independently a halogen atom, each of h and i is independently 0, 1 or 2, each of X.sup.1, X.sup.2 and X.sup.3 is independently an oxygen atom or a sulfur atom, and each of j, k and m is 0 or 1, provided that when k is 0, j is 0, that when m is 0, each of j and k is 0, that when j is 0 and when each of k and m is 1, X.sup.1 and X.sup.2 cannot be sulfur atoms at the same time, and that when each of m, k and j is 1, X.sup.1, X.sup.2 and X.sup.3 cannot be sulfur atoms at the same time, and (B) 0.1 to 20 parts by weight of 2,4-diphenyl-4-methyl-1-pentene. The polymerizable composition can give a molded article which is free from coloring in heat treatment, has sufficient properties as an ophthalmic lens such as a high refractive index, a high Abbe's number and a low specific gravity, is excellent in transparency, light resistance, heat resistance and impact resistance, and is therefore suitable as an organic glass such as an ophthalmic lens and a lens for an optical device.

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First Claim