If you stare into your cellphone or computer screen for long periods, you may experience eyestrain. Eyestrain symptoms include sore, tired, burning or itchy eyes. You also may have watery eyes or dry eyes, along with sensitivity to light. Reduce eyestrain by taking short breaks throughout the day. To do this, close your eyes or focus on something other than your screen for a few minutes every hour or so.

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July 12, 2014 See more In-depth