Table 1

Percentage of respondents (n=520 New York City office workers) reporting symptoms during computer use at least half of the time over the last week. Data extracted from Portello et al 12

SymptomPercentage of respondents reporting symptom at least half of the time
Blurred vision while viewing the computer17.3
Blurred vision when looking in to the distance23.4
Difficulty or slowness in refocusing my eyes from one distance to another21.6
Irritated or burning eyes27.5
Dry eyes31.5
Eye strain30.6
Tired eyes39.8
Sensitivity to bright lights26.3
Eye discomfort30.8