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在西方国家50岁以上人群中，与年龄相关的黄斑病变是致盲的主因。2000年光动力疗法治疗黄斑病变获美政府批准，给病人带来希望——情况的恶化将会停止。对该疗法的研究已经过长期努力，一项最新的革新能改善现行治疗方式。医生把与年龄相关的黄斑病变分为湿型和干型两类，其中?
Age-related macular degeneration is the leading cause of blindness in people over the age of 50 in Western countries. Photodynamic therapy for the treatment of macular degeneration in 2000 was approved by the United States government, bringing hope to patients - the deterioration of the situation will cease. Research on this therapies has been a long-term endeavor and a new innovation can improve the current treatment. The doctor divided age-related macular degeneration into two types, wet and dry, of which?