Clouded vision can make it more difficult to read.

患了视物模糊症，阅读就更加困难了。

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Perhaps anger had clouded his vision, perhaps his judgment had been faulty.

也许怒火蒙蔽了他的眼睛，也许他的判断有误。

《柯林斯英汉双解大词典》

Perhaps anger had clouded his vision, perhaps his judgment had been faulty.

也许怒火蒙蔽了他的眼睛，也许他的判断有误。

《柯林斯英汉双解大词典》