目的对玻璃体基底部撕脱(VBA)进行新的分类，以适应临床上对该病认识的最新进展。

Objective a marked expansion of our knowledge of vitreous base avulsion (VBA) indicates the clinical need for a new classification.

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结论随年龄增长来自视网膜内的胶原纤维逐渐穿透ill与玻璃体皮质纤维缠绕结合，使基底部玻璃体视网膜界面粘连延伸。

ConclusionThe intra-retinal collagen fibrils penetrating the ILL and mixing with the cortical vitreous fibrils appears to underlie the slow adhesion of the vitreoretinal interface with aging.

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