Their morphological and functional changes were observed with funduscope, histopathology, TdT-mediated dUTP nick end-labeling ( TUNEL), immunohistochemistry, image analysis and electroretinograms. 分别于各时间点,通过眼底镜、组织病理技术、末端脱氧核糖核酸转移酶介导的dUTP缺口末端标记(TUNEL)、免疫组织化学、图像分析和视网膜电图测定,分析视网膜结构和功能的变化。