Spatial altitude factors on the association with myopia: a narrative review - Report - MDSpire

The Impact of Elevation on Myopia: A Comprehensive Review

  • By

  • Jian Huang

  • Xiaoqiong Li

  • Shunming Liu

  • Li Qi

  • Lei Liu

  • July 20, 2026

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Clinical Report: The Impact of Elevation on Myopia: A Comprehensive Review

Overview

This review examines the relationship between elevation and myopia prevalence, synthesizing current epidemiological findings and mechanistic hypotheses regarding altitude-associated differences in refractive status.

Background

Myopia is a significant global public health issue, with increasing prevalence and associated risks of severe ocular complications. While genetic factors play a role, environmental influences related to altitude are emerging as critical determinants of refractive development.

Data Highlights

No specific numerical data or trial results were provided in the source material.

Key Findings

  • High-altitude populations exhibit lower myopia prevalence compared to lowland regions.
  • Environmental factors such as hypobaric hypoxia and increased solar radiation may influence ocular growth.
  • Light-induced dopaminergic signaling is a proposed mechanism for altitude-related differences in refractive status.
  • Behavioral adaptations and circadian synchronization may also play a role in refractive development at different elevations.

Clinical Implications

Clinicians should consider environmental factors related to altitude when assessing risk for myopia.

Conclusion

The review discusses the interplay between environmental factors and myopia development.

Related Resources & Content

  1. Contact Lens Spectrum, MASTERING MYOPIA, 2023 -- Level Up Your Myopia Practice
  2. Retinal Physician, Myopia Update: Five facts retina specialists should know about this common condition, 2019 -- Myopia Update
  3. Contact Lens Spectrum, Myopia Beyond 2025, 2026 -- Unpacking the latest in myopia management for 2026
  4. IMI—Interventions for Controlling Myopia Onset and Progression 2025 - PMC
  5. Low-Concentration Atropine for Myopia Progression (LAMP) Study: A Randomized, Double-Blinded, Placebo-Controlled Trial of 0.05%, 0.025%, and 0.01% Atropine Eye Drops in Myopia Control - PubMed
  6. Highland environment and genetic background are associated with myopia risk in Tibetans and Hans - PubMed
  7. Contact Lens Spectrum — Myopia Beyond 2025
  8. IMI—Interventions for Controlling Myopia Onset and Progression 2025 - PMC
  9. Low-Concentration Atropine for Myopia Progression (LAMP) Study: A Randomized, Double-Blinded, Placebo-Controlled Trial of 0.05%, 0.025%, and 0.01% Atropine Eye Drops in Myopia Control - PubMed
  10. Highland environment and genetic background are associated with myopia risk in Tibetans and Hans - PubMed

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