5　总结

　　作为一种新型角膜屈光手术，角膜基质环植入术有如下特点：中央角膜光学区完整，不影响视轴，不移除角膜组织，并发症少，可逆性很好，可预测性和可调整性良好。从目前资料看，该手术是治疗中、低度近视的安全、有效的方法——尽管长期疗效仍有待继续研究。由于国内目前尚未见角膜基质环植入术的临床试验报道，故需积极、慎重且有步骤地开展动物实验、临床试验和应用研究。

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(收稿：1999-07-07)

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