4结论
综上所述,目前的研究还存在的种种问题:(1)纳入儿童的标准不一致,个体差异明显,术式和年龄仍有较大争议;(2)儿童的筛选受到当地客观因素的限制;(3)研究样本较小,没有普遍性,研究结果不能有效反映群体;(4)目前回顾性研究居多,尚无随机对照研究来更准确的反映手术有效性、安全性、稳定性和预测性;(5)对角膜屈光手术中术后可能的种种问题尚无明确的处理准则。这些问题还需要更多大规模长期随机对照研究加以解决。但是研究也显示出准分子激光手术在儿童中具有积极疗效。某学者已明确了儿童屈光手术的适宜人群:传统治疗失败的神经发育异常儿童;弱视高风险性神经发育正常儿童[29]。如今随着儿童角膜屈光手术不断开展,人们对准分子激光手术的理论和实践水平也日趋完善,从而为准分子激光角膜屈光手术在儿童中的推广奠定良好的条件。
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