The One Thing Every Smartphone User Should Know About Eye Health How Many hours do you spend looking at your smartphone each day? Most people underestimate their daily screen time. Smartphones have become deeply integrated into every hour of our daily routines. However, behind this convenience lies a hidden danger https://www.tumblr.com/medjournalhealthcare/800480014393032704/the-one-thing-every-smartphone-user-should-know?source=share