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Anterior Chamber and Retinal Morphological Changes During Accommodation in Different Age Ranges.
María Arcas-Carbonell1, Elvira Orduna-Hospital1, Guisela Fernández-Espinosa1
1Departamento de Física Aplicada, Universidad de Zaragoza, Zaragoza, España.
Current Eye Research
|February 21, 2024
Summary
This study reveals that increased accommodative effort alters retinal thickness and anterior eye structures. These changes occur across all age groups, even in individuals with presbyopia, highlighting the dynamic nature of ocular accommodation.
Area of Science:
- Ophthalmology
- Optometry
- Vision Science
Background:
- Age-related changes in the lens affect accommodation.
- The interplay between accommodation and ocular structures requires further investigation.
Purpose of the Study:
- To investigate morphological changes in ocular structures during accommodation.
- To assess changes in both anterior and posterior ocular poles during accommodation.
Main Methods:
- Accommodation was stimulated using -1.00, -3.00, and -5.00 D lenses.
- Aberrometry, retinal optical coherence tomography, and anterior pole tomography were employed.
- Structural modifications were evaluated across different age groups (18-66 years).
Main Results:
- Increased accommodative demand led to changes in retinal thickness (central thinning, peripheral thickening).
- Anterior chamber depth and volume decreased with increasing lens power.
- These morphological changes were observed in all age groups.
Conclusions:
- Ocular structures, including the central and peripheral retina, anterior chamber depth, and volume, undergo modifications during accommodation.
- These adaptive changes persist even in individuals with advanced presbyopia.
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