ObjectiveTo investigate the effect of excimer laser phototherapeutic keratectomy (PTK) for superficial corneal dystrophy (SCD).
目的探讨准分子激光PTK治疗多种浅层角膜变性（SCD）的效果。
ObjectiveTo investigate the effect of excimer laser phototherapeutic keratectomy (PTK) for superficial corneal dystrophy (SCD).
目的探讨准分子激光PTK治疗多种浅层角膜变性（SCD）的效果。
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