epiretinal membrane
noun [ C ] medical specialized uk/ep.ɪˌret.ɪ.nəl ˈmem.breɪn/ us/ˌep.ɪˈret̬ən.əl ˈmem.breɪn/
视网膜前膜，黄斑前膜（症）
a thin sheet of tissue that develops across the centre of the retina (= the area at the back of the eye that receives light)
An epiretinal membrane does not cause blindness but does affect central vision. 视网膜前膜并不会造成失明，但是会影响中心视力。