1. Methods:All the corneal leucoma cases were chosen suing Micrometer preoperatively to measure the diameter of the corneal leucoma and the whole corneal.
方法：所有穿透性角膜移植术的角膜白斑病例术前测微尺测量角膜白斑的长径与短径。
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2. Methods:All the corneal leucoma cases were chosen suing Micrometer preoperatively to measure the diameter of the corneal leucoma and the whole corneal.
