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角膜是眼球最重要的屈光间质,它的屈光力占眼球总屈光力的3/4左右。[1]随着白内障手术技术的臻于完善,手术医师对控制因角膜表面性状改变导致的屈光状态异常日益重视。为了获得理想的术后视力,全面准确地了解术前以及术后角膜的屈光状态是非常必要的。临床常应用角膜地形图仪和
The cornea is the most important refraction of the eye, and its refractive power accounts for about 3/4 of the total refractive power of the eyeball. [1] As cataract surgery has become more sophisticated, surgeons are increasingly focusing on controlling abnormalities of refraction due to altered corneal surface traits. In order to obtain the ideal postoperative vision, a comprehensive and accurate understanding of the preoperative and postoperative corneal refractive status is necessary. Corneal topography and clinical application of corneal topography