age-related macular degeneration
noun [ U ] medical specialized uk/ˌeɪdʒ.rɪˌleɪ.tɪd mæk.jə.lə dɪ.dʒen.əˈreɪ.ʃən/ us/ˌeɪdʒ.rɪˌleɪ.t̬ɪd ˌmæk.jə.lɚ dɪ.dʒen.əˈreɪ.ʃən/ (abbreviation AMD); (macular degeneration)
年龄相关性黄斑变性
a disease in older people that weakens the most important part of the retina (= the area at the back of the eye that receives light). This leads to problems when looking directly at objects and sometimes eventually to loss of sight.