以往认为老年黄斑变性主要是损害视网膜色素上皮〔１〕，但发病机制不清。过去的理论将视网膜色素上皮的损害归于过度的光照〔２〕或者饮食中缺乏抗氧化维生素〔３〕和矿物质〔４〕。脉络膜循环的改变与老年黄斑变性有关。但被认为是继发于视网膜上皮的损害〔５〕。本文提... In the past that age-related macular degeneration is mainly damage the retinal pigment epithelium [1], but the pathogenesis is unclear. The past theory attributed the damage of the RPE to excessive light [2] or lack of antioxidant vitamins [3] and minerals [4] in the diet. Choroidal circulation changes associated with age-related macular degeneration. But is considered secondary to retinal damage [5]. This article mentioned ...