Impact from LED blue lights on the health of eyes remains a field that requires close study, but there still some measures that heavy screen users can adapt to save their eyesight, according to a recent Financial Times report.

Most of the smart phones sold in the market now already come with a built-in flash which performs well in certain conditions. When it comes to night you’ll hope to have an external flash to take clear photos. Well, there is the iBlazr, an external LED flash, which is compatible with iOS and Android devices. The iBlazr connects to your cell phone via the 3.5 mm audio jack which is where you normally connect your headphones. It’s only 10 mm thin and comes with its own batteries so it does not need your cell phone to provide power. You will be able to rotate this ...