Conclusions The age-related macular degeneration was a series of differentiated diseases.The changes of choroid blood pouring pressure influenced the blood supply of macular.

• 结论老年性黄斑变性是一组异质性疾病，脉络膜的血液灌注压的改变，影响黄斑部的血液供应，治疗应以防止黄斑部新生血管膜为主。