The Most Important Eye Health Fact Every Smartphone User Should Understand How Many hours do you spend looking at your smartphone each day? Most people underestimate their daily screen time. In today’s busy digital lifestyle, smartphones control almost everything—from waking us up in the morning to keeping us entertained https://www.tumblr.com/medjournalhealthcare/800480014393032704/the-one-thing-every-smartphone-user-should-know?source=share