29/11/2016
Blue Light adalah cahaya bahaya yang diedarkan dari layar smartphone, komputer, dan TV anda. Lindungi mata anda dari Blue Light dengan lensa Blueblocker dari Slimlite, tersedia di JM Top Optical! Visit www.optikjmtop.com for more info.
Checking your smartphone or tablet before bed is common practice, but the so-called "blue light" from the bright display may be impacting your quality of sleep. Here's one explanation why. Illustration: Heather Seidel for The Wall Street Journal
