In avascular morbid cornea, the IL - 18 levels decreased slightly, the up - regulated VEGF only took part in the morbid corneal repair but not caused angiogenesis.

• 但VEGF在角膜具有的正常生理功能提醒我们不能完全抑制VEGF，如何合理地选择il一18的浓度，调整VEGF生理和病理之间的平衡尚待进一步的研究。 结论