Take the free ZEISS Digital Eye Strain Test on your smartphone to find out how well your eyes are geared to the challenges of modern life. Eye strain and fatigue can lead to eye irritation, headaches and neck pain. Perhaps you have already experienced the sensation of tired, strained eyes after a particularly stressful day.
The ZEISS Digital Eye Strain Test has been specially developed by ZEISS for switching your focus from a smartphone to a distance of 20 feet and vice-versa in order to precisely measure the strain on your eyes. So make sure you have your smartphone ready and head to the following app stores: