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Related Experiment Video

Updated: Jan 18, 2026

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
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Efficacy of Spectacle Correction Using Defocus Incorporated Multiple Segments in the Myopic Population.

Marketa Zakova1, Martin Fus1, Leos Tejkl1

  • 1Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic.

Clinical Ophthalmology (Auckland, N.Z.)
|September 10, 2025
PubMed
Summary

Defocus Incorporated Multiple Segments (DIMS) lenses significantly slow myopia progression in European children and adolescents. DIMS lenses were more effective in slowing axial elongation and spherical equivalent refraction in those younger than 15 years.

Keywords:
DIMSmyopiamyopia control

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Area of Science:

  • Ophthalmology
  • Optometry
  • Pediatric Ophthalmology

Background:

  • Myopia is a growing public health concern, particularly among children and adolescents.
  • Effective myopia control strategies are crucial to prevent high myopia and associated ocular complications.
  • Defocus Incorporated Multiple Segments (DIMS) lenses represent a novel approach to myopia management.

Purpose of the Study:

  • To evaluate the efficacy of DIMS lenses compared to single vision (SV) lenses in slowing myopia progression.
  • To assess the impact of DIMS lenses across a wide age range (6-26 years) of European myopes.
  • To compare axial length (AL) and spherical equivalent refraction (SER) changes between DIMS and control groups.

Main Methods:

  • A prospective, non-randomized observational study involving 78 myopes.
  • Participants chose between DIMS (n=54) or SV lenses (n=24).
  • Baseline SER and AL were measured and monitored at regular intervals.

Main Results:

  • In participants younger than 15, DIMS showed significantly slower myopia progression (SER -0.25±0.35 D) and reduced axial elongation (0.09 ± 0.16 mm) compared to controls (SER -0.73 ± 0.57 D, AL 0.30 ± 0.20 mm).
  • In participants over 15, DIMS exhibited minimal myopia progression (SER -0.24 ± 0.29D) and negligible axial elongation (0.00 ± 0.07 mm).
  • DIMS was 68.7% more effective for AL and 65.6% for SER in the under 15 group compared to SV lenses.

Conclusions:

  • DIMS lenses are effective in decelerating myopia progression, particularly in individuals younger than 15 years.
  • The observed reduction in axial elongation and SER changes with DIMS lenses is statistically significant in the younger cohort.
  • DIMS lenses offer a promising intervention for myopia control in pediatric and adolescent populations.