congenital anomaly or birth defect AE blindness congenital AE 先天性失明 This is an AE which refers to a group of diseases and conditions occurring in childhood or early adolescence of below 16 years old, which, if left untreated, result in blindness or severe visual impairment that are likely to be permanent blindness later in life. http://en.volupedia.org/wiki/Congenital_Blindness_Gene_Therapy QY, JX, HY 10005176