Noriko Miyamoto1,2, Michiko Mandai3,4, Akio Oishi2, Shunichiro Nakai5, Shigeru Honda5, Takafumi Hirashima6, Hideyasu Oh6, Yoshiko Matsumoto7, Mamoru Uenishi7, Yasuo Kurimoto3,2. 1. Department of Ophthalmology, Kobe City Eye Hospital, Kobe, Japan miyacy_fr@hotmail.com. 2. Department of Ophthalmology, Kobe City Medical Center General Hospital, Kobe, Japan. 3. Department of Ophthalmology, Kobe City Eye Hospital, Kobe, Japan. 4. Laboratory for Retinal Regeneration, RIKEN Center for Developmental Biology, Kobe, Japan. 5. Department of Surgery, Division of Ophthalmology, Kobe University Graduate School of Medicine, Kobe, Japan. 6. Department of Ophthalmology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan. 7. Department of Ophthalmology, Mitsubishi Kobe Hospital, Kobe, Japan.