The Study
Effect of distant-image screen technology (DIST) on delaying myopia onset in pre-myopia children: study protocol for a1-year randomized controlled trial
This study is like a fair test where some kids use a special screen that makes things look far away, and others don't. After a year, they check who got nearsighted. It tells us if the screen might help, but it doesn't prove it works for every kid.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
This study tests a screen that makes books and games look like they're far away, so kids' eyes don't get tired from looking close up.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 578 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1This means using the screen could cut the chance of needing glasses by more than half in just one year.
- 2In kids who didn't use the screen, 54 out of 100 got myopia in a year.
- 3In kids who used the screen for 1 hour a day, only 21 out of 100 got myopia.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Related Content
Claims (6)
Extended close-up visual work without looking at distant objects leads to worsening nearsightedness due to continuous tension in the eye's focusing muscle and changes in eye shape.
In children aged 6 to 10 who have not yet developed myopia, a measurable increase in the length of the eye over one year indicates the presence and effect of DIST on the development of nearsightedness.
Children aged 6 to 10 with mild refractive error who use distant-image screen technology for at least one hour per day during near work have a 21% rate of myopia onset after one year, compared to a 54% rate in children who do not use this technology.
In children aged 6 to 10 who are at risk of developing myopia, using screens designed to project distant images along with special lenses that create optical defocusing may lower the rate of myopia development compared to using the screens alone.
Children aged 6 to 10 who spend two or more hours per day doing close-up work at home have a higher rate of developing myopia, regardless of whether they use electronic devices.
In children aged 6 to 10 who have not yet developed myopia, using distant-image screen technology for at least one hour each day does not reduce reading efficiency or increase visual fatigue.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.