Department of Ophthalmology;
Shengjing Hospital of China Medical University;
Shenyang;
Liaoning Province;
China;
Department of Geratology;
The First Affiliated Hospital of China Medical University;
Shenyang;
Liaoning Province;
China;
angiogenesis; diabetic retinopathy; flavonoid; heme oxygenase-1; inflammation; neurotrophin; quercetin; repair;