One report tells of a totally blind boy who could ride his tricycle at good speed round the block near his home, using facial vision.
有一则报道讲述了一个完全失明的男孩，可以用面部视觉围绕他家附近的楼栋快速骑三轮车。
2
Your nearvision may improve for a short time if you get a cataract.
如果你患有白内障，你的近视力可能会在较短的一段时间内得到改善。
3
Farsightedness is the opposite, in a way: A shorter-than-average eyeball or too-flat cornea focuses light behind the retina instead of on it, making nearvision and sometimes distant vision blurry.