维生素Ａ的新效用饶新华编译世上的特效药真是微乎其微，而维生素Ａ倒可说是其中的一例。这种极为廉价的化学药品能使大部分发展中国家幼儿死亡率下降三分之一。维生素Ａ常被用于防治五大致盲因素之一的角膜软化病，并且是麻疹特定疗法的首选药品；它对某些类型的贫血也具... The new utility of vitamin A Rao Xinhua compilation of the world’s special effects medicine is really minimal, but vitamin A can be said to be one of them. This extremely cheap chemical can reduce the infant mortality rate in most developing countries by one-third. Vitamin A is often used to treat corneal softening disease, one of the top five blinding factors, and is the drug of choice for measles-specific therapies; it also has some types of anemia.