half vision的意思|示意

She briefly recovered half the vision in her right eye in 2007 but an infection blinded her again.

在2007年，她的右眼恢复了一半的视力但很快由于感染而再次失明。

Trees obscured his vision; he couldn't see much of the square's southern half.

树木遮住了他的视线，他不怎么看得见广场南半部。

Because he had already lost vision in his left eye from his stroke in 1906, he had clear vision only in the temporal (outer) half field of his right eye.

1906年的中风已经使他的左眼失明，因此只有他右眼颞部(外部)的半部分还有清晰的视觉。