The surgery was done under direct ophthalmoscope, together with accurrate retiral tear localization, appropriate cryotherapy, with/without subretinal liguid drainage, and scleral bulking.

• 手术均在直接检眼镜直视下进行，术中给予准确的裂孔定位，适度的冷凝，放液或不放液和恰当的放置外垫压物。