Despite technological advances, couching is still a prevalent method of cataract removal in many parts of Africa.1–3 Lack of upgraded ophthalmic services and ignorance persuades patients to undergo the ancient and primitive practice of couching to attain practically useful vision. The concept of performing couching is to dislodge the mature cataract from the visual axis with a sharp instrument that pierces the eye approximately 3 to 5 mm away from the limbus (Figure 1 and Video 1, available in the online version of this article). A literature search described couching along with its side

中文翻译：

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非洲的训练：去除白内障，胶合人工晶状体和玻璃体切除术的合并症的技术和处理。

尽管技术取得了进步，但在非洲许多地方，卧榻仍然是一种普遍的白内障清除方法。1-3缺乏升级的眼科服务和无知使患者接受了古老而原始的卧榻实践，以获取实用的视力。进行卧榻的概念是用锋利的器械将成熟的白内障从视轴上移开，该器械刺入距角膜缘约3至5毫米的眼睛（图1和视频1，可从本文的在线版本获得）。文献搜索描述了沙发及其侧面