Once upon a time there lived a blind man in a village. He had been blind in both eyes for many years.

从前一个村子里住着一个瞎子，他双目失明已有许多年了。

youdao

The new device is for people with an irreversible, advanced form of macular degeneration in which a blind spot develops in the central vision of both eyes.

这种新型设备是为患有不可治愈的后期黄斑变性患者设计的，他们眼球中部存在盲点。

youdao

People with AMD in both eyes will typically become classed as legally blind between five and 10 years after the first symptoms appear.

双眼都患有AMD的病人，通常在第一症状出现5-10年后就会按法律被划为盲人。

youdao

In the UK, transplants are done using corneas from donors but usually only in children who are blind in both eyes.

BBC: The plastic implant is fitted into the cornea