Hours in front of a computer screen may increase the risk of glaucoma in people who are myopic or short-sighted, Japanese scientists said on Tuesday.
Glaucoma, which is caused by damage to the optic nerve, results in blind spots or visual impairments that can rob people of their sight.
Smoking and high blood pressure are potential risk factors but Japanese researchers believe excessive computer use may also play a role in short-sighted people.
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