年龄相关性黄斑变性(age-related macular degeneration,AMD)是一种严重视力丧失的老年性眼病,在我国于强等。流行病调查中发现≥40岁,年龄相关性黄斑部病变的患病率早期为1.4%,晚期为0.14%~0.2%(眼-例),渗出型AMD为0.1%。随着年龄增加AMD的患病率亦随之增加,早期AMD,晚期AMD及渗出型AMD的患病率在40~44岁分别为0.61%,0.07%及0.07%,在50~55岁分别为1.66%,0.26%及0.26%,75岁分别为2.99%, 0.90%及0.6 ......