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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
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[Wavefront aberrations and accommodation in myopes and hyperopes]
V V Neroev1, E P Tarutta1, S G Arutyunyan1
1Moscow Helmholtz Research Institute of Eye Diseases, Ministry of Health of the Russian Federation, 14/19 Sadovaya-Chernogryazskaya St., Moscow, Russian Federation, 105062.
Vestnik Oftalmologii
|May 20, 2017
Summary
Children and young adults with myopia exhibit reduced accommodation and greater higher-order aberrations (HOA) and pseudoaccommodation compared to hyperopia. These vision parameters and their interrelations differ significantly between myopic and hyperopic eyes.
Area of Science:
- Ophthalmology and Vision Science
- Refractive Error Research
- Pediatric Optometry
Background:
- Myopia and hyperopia are common refractive errors with distinct visual characteristics.
- Understanding accommodative function and aberrations is crucial for managing refractive development.
- Previous research suggests differences in visual optics between myopic and hyperopic individuals.
Purpose of the Study:
- To compare accommodation, pseudoaccommodation, and higher-order aberrations (HOA) in pediatric and young adult myopic and hyperopic eyes.
- To investigate the relationship between these visual parameters in different refractive groups.
- To identify potential differences in optical quality and accommodative behavior based on refractive error.
Main Methods:
- Evaluated objective accommodative response, accommodation reserves, and pseudoaccommodation volume in 39 myopic and 53 hyperopic eyes (ages 5-20).
- Measured higher-order aberrations (HOA), including RMS HOA, trefoil, coma, and spherical aberration (SA).
- Compared accommodative and wavefront parameters between myopic and hyperopic cohorts.
Main Results:
- Myopic eyes showed significantly lower accommodation parameters but greater HOA and pseudoaccommodation compared to hyperopic eyes.
- Spherical aberration (SA) was more pronounced in myopes with larger pseudoaccommodation volumes.
- Distinct patterns of wavefront aberrations were observed in myopic (e.g., vertical trefoil) and hyperopic eyes (e.g., SA) during accommodation and pseudoaccommodation.
Conclusions:
- Myopia is associated with reduced accommodation and increased HOA and pseudoaccommodation.
- The interplay between wavefront and accommodation parameters differs between myopic and hyperopic eyes.
- These findings offer insights for developing targeted interventions for refractive error management and refractogenesis.
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