What causes digital eye strain?
Staring at screens for extended periods reduces our natural blink rate, which can lead to dryness and discomfort. Close viewing distances and prolonged focus on one distance also contribute to eye fatigue.
Common symptoms
Digital eye strain commonly shows up as dry or irritated eyes, blurred vision, headaches, and neck or shoulder tension after extended screen use.
The 20-20-20 rule
A widely recommended habit is the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds. This simple break gives your eye muscles a chance to relax.
Where nutrition fits in
Nutrients like lutein and zeaxanthin, concentrated in the macula, are commonly associated with supporting the eyes' natural filtering of high-energy light from screens. See our Lutein article for more detail.
Building better screen habits
Adjusting screen brightness to match your environment, positioning screens at eye level, and ensuring adequate ambient lighting can all reduce strain alongside regular breaks.