What the eye-care research actually says.
Four short, cited pieces on the 20-20-20 rule, childhood myopia, and the evidence behind screen-break protocols. Read one, take a 20-second break, come back to the next.
- 7 min read
Does the 20-20-20 rule actually work?
What the peer-reviewed evidence says about screen-break protocols — and what the rule does not solve.
- 7 min read
Computer vision syndrome: symptoms, causes, and what helps
CVS affects 50-90% of regular computer users. The mechanism, the symptoms, and the evidence-based interventions that actually move the needle.
- 6 min read
The 20-20-20 rule for kids
A parent's guide to screen time, the 20-20-20 rule, and how to slow childhood myopia.
- 6 min read
The 20-20-2 rule (kids + outdoor time)
The pediatric upgrade: 2 hours of outdoor time daily, on top of 20-20-20 screen breaks.
- 5 min read
Best monitor distance for eye health
Arm's length, top of screen at eye level — and why getting it right reduces eye fatigue more than any other ergonomic change.
- 6 min read
Blue light glasses vs the 20-20-20 rule
The honest comparison: blue light glasses have thin evidence, the 20-20-20 rule costs nothing and has stronger research support.
- 5 min read
Does dark mode reduce eye strain? An honest answer
Dark mode helps in dim environments and hurts in bright ones. The right answer depends on lighting, task, and age.
- 5 min read
Dry eye from screens: why it happens and what helps
Blink rate drops ~60% during screen use, which drives most digital dry-eye symptoms. The practical fix hierarchy, from free to clinical.
- 6 min read
Eye strain headaches: when they are normal and when to worry
Most afternoon screen headaches are tension or eye-strain headaches that resolve with breaks. Some warrant a doctor — here is how to tell.
- 5 min read
Screen break statistics & eye strain data
Citable numbers on digital eye strain, screen time, and why most self-monitored break protocols fail.