BRANCH VEIN OCCLUSION COLLABORATIVE STUDY: COORD. CTR.

拟议的协调中心将主要负责 收集，存储和分析所有数据，并将确保，部分， 每间参与计划的诊所均遵守该议定书的规定。 本研究的目的是确定氩激光器是否适用于 分支静脉闭塞及其并发症的处理如下：A）严重 无新生血管形成的分支静脉闭塞：1）改善或维持视力 视力; 2）改善或预防黄斑水肿; 3）预防 新生血管形成 B）主要分支静脉闭塞伴新生血管形成：1） 改善或维持视力; 2）控制或破坏新生血管形成; 3） 预防玻璃体出血和/或视网膜脱离; 4）改善或预防 黄斑水肿 C）黄斑分支静脉闭塞伴黄斑水肿， 视力下降：1）改善或维持视力; 2）改善黄斑 水肿

The proposed coordinating center will have primary responsibility for the collection, storage, and analysis of all data and will insure, in part, that each participating clinic abides by the provisions of the protocol. The goals of this study are to determine if the argon laser is useful in the management of branch vein occlusion and its complications as follows: A) Major branch vein occlusion wthout neovascularization: 1) Improve or maintain visual acuity; 2) Improve or prevent macular edema; 3) Prevent the development of neovascularzation. B) Major branch vein occlusion with neovascularization: 1) Improve or maintain visual acuity; 2) Control or destroy neovascularization; 3) Prevent vitreous hemorrhage and/or retinal detachment; 4) Improve or prevent macular edema. C) Macular branch vein occlusion with macular edema and decreased vision: 1) Improve or maintain visual acuity; 2) Improve macular edema.