方法：激光前详细检查眼底，记录视网膜裂孔的位置、形态和大小及视网膜脱离的范围，采用氩离子激光器作激光光凝。

Method: Each fundus was carefully examined before laser therapy. The number, the shape and the site of the retinal holes and the area of detached retina were recorded.

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方法：激光前详细检查眼底，记录视网膜裂孔的位置、形态和大小及视网膜脱离的范围，采用氩离子激光器作激光光凝。

Method: Each fundus was carefully examined before laser therapy. The number, the shape and the site of the retinal holes and the area of detached retina were recorded.

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