1 week after photocoagulation, one group of 8 rats received intravitreal injections of 2ug rhPEDF/lOfilBSS, and the other group of 8 rats received intravitreal injections of 10ul BSS as control group.

• 光凝后lw，一组玻璃体内注射2陀rhPEDF/10风BSS; 另一组玻璃体内注射10件1的BSS作为对照组。