Cureus · 2025
The Influence of Age on the Myopic Control Efficiency of Dual-Focus Contact Lens: A Retrospective Cohort Study.
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Lee Chia-Yi, Chang Chao Kai, Huang Ching-Yao, Yang Shun-Fa, Huang Jing-Yang, Chang Yu-Ling
Аннотация
PURPOSE: The purpose of this study was to survey the effectiveness of dual-focus contact lenses (DFCLs) in controlling myopia in children of different ages.
METHOD: A retrospective cohort study was conducted, and individuals receiving DFCL treatment were included. Then, the study populations were classified according to age, comprising a total of 62 and 94 eyes in the young (younger than 12 years old) and old groups (older than 12 years old), respectively. The primary outcomes of our study were changes in spherical equivalent refraction (SER) and axial length (AXL). The independent t-test and generalized linear model were applied for the statistical analyses.
RESULTS: The baseline SERs were -2.55±0.71 diopter (D) and -2.69±0.77D in the young and old groups. At the one-year follow-up, the SERs were -2.87±0.83D and -2.83±0.85D in the young and old groups, and SER progression was significantly higher in the young group than the old group (p = 0.002). The initial AXLs were 24.69±0.44 mm and 24.75±0.50 mm in the young and old groups, respectively, and 24.83±0.52 mm and 24.85±0.55 mm at the final visit. The AXL elongation was significantly higher in the young group compared to the old group (p < 0.001). The high near-work activity was associated with higher SER and AXL changes in both groups (both p < 0.05), and the high outdoor activity was associated with lower SER and AXL changes in both groups (both p < 0.05).
CONCLUSIONS: Old age correlates with better myopic control regarding SER and AXL changes for DFCL users.
METHOD: A retrospective cohort study was conducted, and individuals receiving DFCL treatment were included. Then, the study populations were classified according to age, comprising a total of 62 and 94 eyes in the young (younger than 12 years old) and old groups (older than 12 years old), respectively. The primary outcomes of our study were changes in spherical equivalent refraction (SER) and axial length (AXL). The independent t-test and generalized linear model were applied for the statistical analyses.
RESULTS: The baseline SERs were -2.55±0.71 diopter (D) and -2.69±0.77D in the young and old groups. At the one-year follow-up, the SERs were -2.87±0.83D and -2.83±0.85D in the young and old groups, and SER progression was significantly higher in the young group than the old group (p = 0.002). The initial AXLs were 24.69±0.44 mm and 24.75±0.50 mm in the young and old groups, respectively, and 24.83±0.52 mm and 24.85±0.55 mm at the final visit. The AXL elongation was significantly higher in the young group compared to the old group (p < 0.001). The high near-work activity was associated with higher SER and AXL changes in both groups (both p < 0.05), and the high outdoor activity was associated with lower SER and AXL changes in both groups (both p < 0.05).
CONCLUSIONS: Old age correlates with better myopic control regarding SER and AXL changes for DFCL users.