broadening or loss of foveal reflex was present in 60 eyes (100%), preretinal membrane noticed in 58 eyes (96.7%) and macular hemorrhage in one eye (1.7%).

• 其它变化包括中心窝反射消失或增宽为60眼(100%25)，网膜前纤维膜为58眼(96.；7%25)，黄斑部出血和疑似网膜下新生血管各为1眼(1