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Treating wounds on a part of the body as delicate as the eyeball isn't easy, but scientists have developed an innovative new approach: a therapeutic contact lens that can act as a bandage for damaged eyes. 要处理人体中像眼球这样脆弱部位上的伤口绝非易事，不过科学家已研发出一种创新疗法：治疗用隐形眼镜，它对受伤的眼睛来说相当于创可贴。 This is no ordinary contact lens, because it's made up of donor cells left over from regular corneal transplants. 这不是普通的隐形眼镜，因为它由常规角膜移植遗留下来的供体细胞组成。 These special limbal mesenchymal stromal cells help to encourage the injured eye to repair its wounds itself. 这些特殊的角膜缘间充质间质细胞有助于刺激受创眼部进行自我修复。 | 
