Ask any contact-lens wearer who has woken from a boozy night out to find their eyelids gummed up and lenses screaming to be removed from bloodshot eyes.

• 询问任何一个通宵醉酒后醒来的隐形眼镜佩戴者，你就会发现他们的眼睑肿胀，而隐形眼镜则令人可笑的从充血的眼睛里跑了出来。