ORIGINAL RESEARCH article
Front. Med.
Sec. Ophthalmology
Volume 12 - 2025 | doi: 10.3389/fmed.2025.1524700
This article is part of the Research TopicInterventional Modalities for the Prevention and Management of Childhood MyopiaView all 3 articles
Comparative Effectiveness of Dual-Focus Contact Lenses and DIMS Spectacle Lenses for Myopia Control in Patients with Low Astigmatism: a Retrospective Study
Provisionally accepted
- 1Chung Shan Medical University, Taichung, Taichung County, Taiwan
- 2Cathay General Hospital, Taipei, Taiwan
- 3Chung Shan Medical University Hospital, Taichung, Taiwan
- 4National Changhua University of Education, Changhua City, Taiwan
- 5Yuanpei University of Medical Technology, Hsinchu, Taiwan
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Purpose: To evaluate and compare the effectiveness of dual-focus contact lenses (DFCL) and defocus incorporated multiple segments (DIMS) spectacle lenses in controlling myopia progression in patients with low astigmatism.A retrospective cohort study was conducted involving myopic patients with astigmatism less than -1.25 diopters (D) who used either DFCL or DIMS spectacle lenses. The study included 95 eyes in the DFCL group and 88 eyes in the DIMS group, and the spherical equivalent refraction (SER) of study population ranged from -0.50D to -6.00D. The primary outcomes were the progression of SER and axial length (AXL) elongation over one year. A generalized linear mixed model was used to calculate adjusted odds ratios (aOR) and the associated 95% confidence intervals (CI), adjusting for age, sex, initial AXL, and initial SER.The mean SER progression was -0.28 ± 0.15D in the DFCL group and -0.25 ± 0.12D in the DIMS group (P = 0.139). The mean AXL elongation was 0.12 ± 0.07mm for DFCL users and 0.10 ± 0.05mm for DIMS users (P = 0.029). Trend analyses revealed no significant differences in SER progression (aOR: 0.988; 95% CI: 0.945-1.033; P = 0.513) or AXL elongation (aOR: 0.982; 95% CI: 0.945-1.018; P = 0.307) between the groups after adjusting for confounders. Subgroup analyses indicated no significant differences in SER progression or AXL elongation between DIMS and DFCL users across various baseline characteristics (all P > 0.05).The application of DIMS spectacle lenses presented similar SER and AXL control to that of patients receiving DFCL management.
Keywords: defocus incorporated multiple segments', dual-focus contact lenses, Axial length, Spherical equivalent refraction, Astigmatism
Received: 02 Dec 2024; Accepted: 05 Jun 2025.
Copyright: © 2025 Lee, Yang, Chang, Huang, Lian and Chang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Chao Kai Chang, Yuanpei University of Medical Technology, Hsinchu, Taiwan
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