Computers can strain your eyes; in fact it's the leading cause of eye strain in the United States. Doctors call it computer vision syndrome (CVS). It affects 90% of the 70 million people whose work requires them to use computers for more than 3 hours a day. As our lifestyles become more and more centered around the internet—socializing on Facebook, shopping, paying bills—it … [Read more...] about Prevent computer eye strain