据估计,在新生儿中,出生时即患单眼或双眼严重白内障或晶体混浊者,约占万分之一。虽然以后对患儿施行矫正手术,可能使他们眼睛看起来正常,但绝大多数患儿的视力在术后仍然很差。目前,眼科专家认为:这是由于白内障阻断了婴儿出生后最初数周或数月内的视觉中枢的临界刺激,使 It is estimated that in newborns, those who suffer from monocular or binocular severe cataracts or opacity at birth are about one in 10,000. Although orthopedic surgery may later make their eyes look normal, the majority of children have poor vision after surgery. At present, ophthalmologists think this is because cataracts block the critical stimulation of the visual center in the first few weeks or months after birth