早期视力下降的原因与术后角膜水肿，视网膜出血，玻璃体混浊、玻璃体腔内填充物等因素有关。
Causes of vision decline at forepart had something to do with some factors such as corneal edema retinal hemorrhage vitreous body turbidity stuffing in vitreous cavity.
我们假设非骨水泥型股骨假体是出血的危险因素。
We hypothesized that an uncemented femoral component is a risk factor for bleeding.
前言：目的：探讨新生儿眼底出血的临床表现并对其相关因素进行分析，观察其对视功能的影响。
Objective: to explore the clinical significance and relative factors of retinal hemorrhage in newborn, and to evaluate its effects on visual function.
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