I don't like taking those drugs, they make my eyes go out of focus and I can't see clearly.

我不喜欢服用那些药。因为那些药伤我的眼睛，使我看不清楚东西。

youdao

If you move too far away, the camera will go out of focus and the photograph will be spoilt.

你要是距离太远，照相机就显不出清晰的图像，相片就要报废。

youdao

You'll notice your eyes will go slightly out of focus.

您会发现你的眼睛会稍微的偏离焦点。

youdao

Glass specs will go mainstream is still out of focus.

WSJ: For Wearable Computers, Future Looks Blurry