Fundus fluorescein angiography (FFA) and Electroretinography (ERG) was taken before treatment, as well as 4h, 1d, 3d, 1week, 2weeks, 3 weeks, 4 weeks, 8 weeks, 12 weeks and 16 weeks after treatment.

• 于术前1d，术后4h、1d、3d、1w、2w、3w、4w、8w、12w和16w各时间点，分别进行眼底荧光素血管造影(fundus fluorescein angiography，FFA)及视网膜电图(electroretinogram，ERG)检测。