According to the present invention, a contact lens material being excellent in oxygen permeability and transparency, being capable of undergoing injection molding, having no water content and having flexibility, as well as a contact lens gel material having excellent oxygen permeability and transparency can be provided. The present invention relates to a contact lens material comprising a polycarbonate resin derived from at least two compounds among compounds represented by a general formula (A), a general formula (B) and a general formula (C), a highly polar molecular weight control modifier (chain terminator) and a compound forming a carbonic acid ester, wherein the compound of the general formula (A) is essentially comprised, to a production method thereof.
根据本发明,可以提供一种透氧性和透明度极佳、可注塑成型、不含
水分和具有柔韧性的隐形眼镜材料,以及一种透氧性和透明度极佳的隐形眼镜凝胶材料。本发明涉及一种隐形眼镜材料,该材料包含由通式(A)、通式(B)和通式(C)所代表的化合物中至少两种化合物衍生的聚
碳酸酯
树脂、高极性分子量控制改性剂(链
终止剂)和形成
碳酸酯的化合物(其中通式(A)的化合物基本包含在内)及其生产方法。