snow blindness

例句：

1. 1. The hikers were caught in a sudden snowstorm and had to turn back.
   徒步者突然遭遇暴风雪，不得不折返。
2. 2. During the winter, people often suffer from snow blindness due to the lack of sunlight.
   冬季时，人们常常因为缺乏阳光而患上雪盲症。
3. 3. The elderly should take extra precautions when going out during snowy weather to prevent snow blindness.
   老年人在雪天外出时应格外小心，以防止雪盲症。