1. Department of Materials Technology, Chiba University, 1−33, Yayoi-cho, Inage-ku, Chiba-shi, Chiba 263-8522, Japan; Department of Chemistry for Materials, Mie University, 1515, Kamihama-cho, Tsu-shi, Mie 514-8507, Japan; Department of Ophthalmology, Nara Medical University, 840, Shijyo-cho, Kashihara-shi, Nara 634-8522, Japan