1. Southwest Hospital/Southwest Eye Hospital, Third Military Medical University (Army Medical University), Chongqing, P. R. China;
2. Key Lab of Visual Damage and Regeneration & Restoration of Chongqing, Chongqing, P. R. China;
3. Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, P. R. China