impaired vision/ memory是什么意思？

impaired vision/ memory

受损的视力/ 记忆力

impaired

adj. 受损的，出毛病的，有（身体或智力）缺陷的；v. 损害，削弱( impair的过去式和过去分词 )；

例句
His movements were painfully impaired by arthritis.
他行动不便，深受关节炎之苦。

vision

n. 视力，视觉，想象，幻象，想象力；

例句
Video cameras with night vision can be activated by movement.
带夜视镜的摄像机一有动静就会启动。

memory

n. 记忆，记忆力，回忆，往事，[计]存储器，内存；

例句
It is the memory and threat of persecution that binds them together.
遭受迫害的记忆和威胁把他们紧紧联系在一起。