cryotherapy

1.Timely treatment of photocoagulation and (or) cryotherapy for prethreshold type 1 and threshold disease of ROP may lead to famous prognosis.

对阈值前病变1型和阈值期ROP及时的激光和（或）冷冻治疗具有比较满意的疗效。

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

手均在直接检眼镜直视，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。