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Updated: Aug 11, 2026
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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
Is Residual Accommodation Masking True Myopia Progression? Insights from Dynamic Accommodation Analysis
Jessica Gomes1, Sandra Franco1
1Centre of Physics of the Universities of Minho and Porto, University of Minho, Braga, Portugal.
Current Eye Research
|August 10, 2026
Summary
Progressive myopes exhibit greater accommodative instability and residual accommodation compared to stable myopes. These differences in dynamic accommodation may be key factors in myopia progression.
Area of Science:
- Ophthalmology
- Vision Science
- Optometry
Background:
- Dynamic accommodation mechanisms are crucial for understanding and managing progressive myopia.
- Previous research suggests potential differences in accommodative behavior between stable and progressive myopia.
Purpose of the Study:
- To compare dynamic and residual accommodation patterns in individuals with stable versus progressive myopia.
- To identify potential biomarkers for myopia progression through accommodative analysis.
Main Methods:
- 18 myopic participants (10 stable, 8 progressive) were assessed using a real-time Shack-Hartmann aberrometer.
- Measurements included accommodative response, residual accommodation, microfluctuations, and response times under various dioptric stimuli (1.00D, 2.45D, 4.73D).
Main Results:
- Progressive myopes demonstrated significantly higher residual accommodation after 2.45D and 4.73D stimuli.
- Increased accommodative microfluctuations were observed in progressive myopes during a 4.73D stimulus.
- Progressive myopes exhibited longer disaccommodative response times after a 2.45D stimulus.
Conclusions:
- While immediate accommodative responses were similar, differences in residual accommodation, microfluctuations, and disaccommodative response times distinguish progressive from stable myopia.
- These accommodative parameters may serve as significant indicators for myopia progression.
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