The Most Important Eye Health Fact Every Smartphone User Should Understand How many hours do you spend looking at your smartphone each day? The truth is, you’re probably using your phone more than you think. Modern life revolves around smartphone usage from early mornings to late nights. However, behind https://www.tumblr.com/medjournalhealthcare/800480014393032704/the-one-thing-every-smartphone-user-should-know?source=share