direct vision prism

例句：

1. 1. The doctor prescribed a direct vision prism for myopia.
   医生给我配了一副近视眼镜。
2. 2. She used her direct vision prism to read the map in the dark.
   她用她的直接视野棱镜在黑暗中阅读地图。
3. 3. The scientist developed a new type of direct vision prism that could improve eye health.
   科学家研发了一种新型的直接视野棱镜，可以改善视力健康。