Preventing Eye Strain from Screen Use

Digital eye strain, also called computer vision syndrome, results from prolonged focus on screens at close distance. The NIH notes that eyes must work harder to maintain focus on pixels than on printed text, leading to fatigue over hours.

Symptoms include headaches, blurred vision, dry eyes, and neck and shoulder pain. The CDC identifies screen-related visual stress as a growing occupational health concern as remote and hybrid work increases total daily screen time.

Every 20 minutes, look at something 20 feet away for 20 seconds. This simple practice allows the focusing muscles inside the eye to relax from their sustained near-focus contraction, reducing fatigue accumulation.

Blinking rate drops by up to 50% during concentrated screen work, contributing to dry eyes. Conscious blinking during screen breaks and using preservative-free artificial tears help maintain adequate eye surface moisture throughout the workday.

Position your monitor at arm's length distance with the top of the screen at or slightly below eye level. The NIH notes that looking slightly downward at screens reduces the exposed eye surface area, decreasing tear evaporation and dryness.

Match screen brightness to ambient lighting. A screen significantly brighter or dimmer than the surrounding environment forces constant pupil adjustment. Reduce overhead glare with monitor positioning or anti-glare screens.