方法：回顾分析用一次性注射器切线位取出300例角膜异物临床资料和手术方法。

METHODS: The clinical data of 300 cases underwent operation on corneal foreign body at a tangent by one-off injector.

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为了解过去，圆切线社员还走访了三位长辈-韩山元、英培安和许黛安。

Tangent also interviewed three elders: Mr Han Tan Juan, Mr Yeng Pway Ngon , and Professor Koh Tai Ann.

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