Methods Flash electroretinography (ERG) was performed on 25 healthy preterm infants and 25 full-term ones, and the response of rod cells and cone cells and maximal mixed responses were recorded.

• 方法选取健康无眼病早产儿和足月产婴儿各25例进行闪光视网膜电图(ERG)检测,记录视杆细胞反应、视锥细胞反应及最大混合反应。