The past rectification operation aiming at myopia refraction patients has developed the rectification treatment aiming at hyperopia and astigmia patients.
过
对近
屈光患者施行的矫
手术，目前已发展出可对
散光患者施行的矫治疗。
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Sometimes muscle relaxants are given or botulinum toxin is injected into certain muscles to reduce hypertonicity and relax the muscles, which can both help reduce pain associated with hypertonus and also help fit patients with specific orthotic braces.
有
为了降低肌张力放松肌
，
相应肌注射肌松弛剂或毒杆菌，这两种方法既以减轻肌张力过高引起的疼痛，也能帮助患者适应矫正器。
