玻璃体后脱离(PVD)能缓解甚至治愈部分眼底疾病，用于诱导玻璃体后脱离的方法有多种，但研究最多的是玻璃体腔内注射酶类药物。
Posterior vitreous detachment (PVD) can alleviate or even cure some retinal diseases. Several methods have been used to induce PVD, of which, intravitreal enzyme injection attracts the most attention.
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