Objective To observe the genetic factor in age - related macular degeneration ( ARMD ).

目的探讨老年黄斑变性 ( ARMD ) 是否存在遗传因素.

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As a new technology , Photodynamic therapy ( PDT ) has been considered a ideal method in ARMD.

而激光光动力疗法又是一种较为理想的治疗方法.

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