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为评价倍频Ｎｄ：ＹＡＧ激光小梁成形术的临床疗效。对２２例３８只临床用药物不能控制病情发展的原发性开角型青光眼，采用倍频Ｎｄ：ＹＡＧ激光实施小梁成形术，所有病例均治疗下半部１８０°小梁，５０个光凝点，局部组织产生苍白反应。结果：随访期内眼压平均下降０．７５ｋＰａ（５ｍｍＨｇ），眼压降幅与术前眼压水平成正相关。结论：倍频Ｎｄ：ＹＡＧ激光是行小梁成形术的有效激光，治疗参数为：光斑直径５０μｍ，功率０．７～１．２Ｗ，曝光时间０．１ｓ。
To evaluate the clinical efficacy of frequency doubled Nd: YAG laser trabeculoplasty. Twenty-two patients with primary open-angle glaucoma who could not control the development of the disease in 38 clinical medications were treated with frequency-doubled Nd: YAG laser. All cases were treated with 180 ° trabeculae in the lower half and 50 with photocoagulation Point, the local organizations have a pale response. Results: During the follow-up period, the intraocular pressure decreased by 0.75kPa (5mmHg) on average, and the decrease of intraocular pressure was positively correlated with the preoperative intraocular pressure. Conclusion: The frequency doubled Nd: YAG laser is an effective laser for trabeculoplasty. The treatment parameters are: spot diameter 50μm, power 0.7 ~ 1.2W and exposure time 0.1s.