Risk Factors of Myopia
Myopia is surging globally, driven by lifestyle factors, with outdoor time offering key protection
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By
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Aldo Vagge
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Carla Lança
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Stephanie Kearney
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Andrzej Grzybowski
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May 14, 2026
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Clinical Scorecard: Risk Factors of Myopia
At a Glance
| Category | Detail |
|---|
| Condition | |
| Key Mechanisms | Gene-environment interaction, educational intensity, near work, outdoor activity, interaction of genotype and environment. |
| Target Population | |
| Care Setting | |
Key Highlights
- Global prevalence of myopia increased from 23% in 2000 to an estimated 34% in 2020, with projections approaching 50% by 2050.
Guideline-Based Recommendations
Diagnosis
Management
- Encourage increased outdoor activity to at least two hours daily.
- Limit near work and screen time, especially in younger children, and provide guidelines on safe screen use.
Monitoring & Follow-up
Risks
Patient & Prescribing Data
Focus on lifestyle modifications, including increased outdoor time, reduced near work, and managing screen time.
Clinical Best Practices
- Implement school-based outdoor programs to facilitate protective light exposure.
- Educate families about the importance of balancing near work with outdoor activities and managing screen time.
Related Resources & Content
