Actually in the summertime, there's really bad lighting storms.

夏天会有严重的暴风雨。

And while optical character recognition can frequently identify text in bad lighting or with complicated perspective, it has its limits.

虽然光学字符识别通常可以在光线不足或视角复杂的情况下识别文本，但它也有其局限性。

And bad lighting can actually make bad guys harder to see.

糟糕的照明实际上会让坏人更难被发现。

And symptoms can be worse with bad lighting, glares, poor posture, preexisting vision problems, improper viewing distances, and the longer you spend looking at your screen.

如果存在光线不好，强光，姿势不对，先前存在视力问题，或观看距离不适当，以及使用屏幕更长的时间等问题，那么症状会更加严重。