Are blue-light-filtering glasses really worth wearing?

Researchers have found that blue-light-filtering glasses can help improve sleep and workday productivity. — AFP Relaxnews

The global market for blue-light-filtering glasses is booming and could be worth up to US$38mil (RM157.64mil) by the end of 2026, compared to US$22mil (RM91.26mil) today. But are these glasses really worth bothering with? Recent research has shown that they can contribute to improving sleep and productivity at work.

When the global market for blue-light-filtering glasses started to take off, many people wondered just how effective they really were. What we do, however, already know is that the blue light emitted by screens is considered harmful.