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Eye surgery sharpens up

机译:眼科手术更加敏锐

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Fed up with losing their glasses and fiddling with contact lenses, over 11 million people worldwide have opted for corrective laser eye surgery. In this procedure, which costs thousands of pounds, a laser is used to permanently alter the shape of the cornea to ensure that light is sharply focused on the retina. It is therefore vital that ophthalmic surgeons know the shape and thickness of the cornea before they operate. Furthermore, the thickness of the cornea provides useful information about eye conditions such as keratoconus, in which the centre of the cornea protrudes, and is also an important parameter in the design of contact lenses.
机译:厌倦了失去眼镜,摆弄隐形眼镜的烦恼,全世界有超过1100万人选择了矫正激光眼科手术。在此过程中,花费数千英镑,使用激光永久改变角膜的形状,以确保将光锐利地聚焦在视网膜上。因此,至关重要的是,眼科医生必须在手术前了解角膜的形状和厚度。此外,角膜的厚度提供了关于眼睛状况的有用信息,例如圆锥角膜,在其中角膜的中心突出,并且在隐形眼镜的设计中也是重要的参数。

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