METHOD: (1)C57BL/6J mice at postnatal day (P)7 were exposed to 75% oxygen (O2) for 5 days (until P12) and allowed to recover in room air to induce retinal NV.

• 研究方法：（1）选用出生后7天（postnatal day 7，P7）的C57BL/6J新生小鼠置入75%25高氧环境5天，诱导产生视网膜新生血管（RNV）构建动物模型，另一组置入空气中饲养作为对照组。