Objective To investigate the diagnosis and management of hard spot of posterior capsule in cataract patients.

目的探讨白内障患者后囊“硬性斑”的诊断及处理方法。

youdao

Hard Spot. An area in the pipe with a hardness level considerably higher than that of the surrounding metal, usually due to localized quenching.

硬块。通常由于局部淬火引起钢管上某一部位硬度值远高于周围金属的硬度值。

youdao

If it was capable of some astonishing progress, there was another sense in which it had to run very hard just to stay on the spot.

如果它有能力取得一些惊人的进步，在另一种意义上，它必须非常努力地奔跑，才能保持原地不动。

youdao

At the end of the day, we are in a hard spot.

CNN: The West is tough terrain for Democrats

Burlingame suspects the TSA decided to allow folding knives because they are hard to spot.

WSJ: New TSA rules on knives draw fire from 9/11 kin

But still, most firms found it hard to spot a value activity when it hit their factory floor.

ECONOMIST: Idea