Do you look at a screen all day? It could be causing more damage than you think

Highlights

 

• Blinking is an important function for our eyes, which spreads tears over the ocular surface.
• When blinking stops, the crucial tear film evaporates, causing stress to the cells which line the corea.

 

Computers have become a necessity for many of us, but they're causing an epidemic of a painful medical conditions for many office workers. Whether it's a phone, a tablet or a laptop, it's becoming increasingly commonplace to see people glued to a screen. Computers and hand-held devices have woven themselves into everyday life, and a vast number of us wouldn't be able to do our jobs without them. While it may come as no surprise that excessive screen time, however necessary, is bad for us, there's been a worrying development associated with it.

 

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