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随着人类寿命的不断延长,一种以眼底脉络膜毛细血管,Bruch’s 膜,视网膜色素上皮,视网膜神经上皮变性为特征的疾病——老年性黄斑变性(Senile Macular Degenera-tion,简称SMD)已成为高年令人群致盲的主要原因。本病病因不明,病理表现复杂,至今尚未找到能改变其自然演变过程的有效药物或外科治疗方法。为了减轻或阻止SMD对患者视力所造成的严重威胁,许多国家和地区的眼科学者对此病展开了广泛深入的临床及实验研究。采用了诸如物理光凝,化学药物及外科手术之类的疗法来防止其进一步
With the continuous extension of human life, a kind of disease characterized by choroidal capillaries, Bruch’s membrane, retinal pigment epithelium and retinal neuroepithelial degeneration is Senile Macular Degeneration (SMD) The main reason people are blind during the year. The etiology of this disease is unknown, complex pathological manifestations, has yet to find effective drugs to change its natural evolution process or surgical treatment. In order to reduce or prevent the SMD poses a serious threat to the patient’s vision, ophthalmologists in many countries and regions conducted extensive and in-depth clinical and experimental studies. Therapies such as photocoagulation, chemicals, and surgery are used to prevent them from further