noun
blue light
Refers to the high-energy visible light emitted by digital screens, often discussed in the context of eye strain and sleep disruption.
スマホのブルーライトが目に悪いと言われている。
It is said that the blue light from smartphones is bad for your eyes.
寝る前にブルーライトを浴びると、眠れなくなることがある。
Exposure to blue light before bed can sometimes make it hard to sleep.