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Clinical Study on the Effectiveness of Diverse Segments Defocus Optimization in Spectacle Lenses for Slowing Myopia Progression

StatusRecruiting
PhaseNot applicable
Started
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Record status
This record was last updated January 7, 2026 (before its estimated September 30, 2026 completion). Its status may not reflect the trial's current state.

Record History

  1. Study First Submitted
Clinical Trial The goal of this clinical trial is to evaluate the effectiveness of two types of Diverse Segments Defocus Optimization (D.S.D.O.) spectacle lenses in slowing myopia progression in children. It will also assess the safety of these lenses. The main questions it aims to answer are: Do D.S.D.O. lenses reduce the progression of myopia as measured by changes in cycloplegic refraction and axial length? What adverse events do participants experience when wearing D.S.D.O. lenses? Researchers will compare two optical designs of D.S.D.O. lenses (Intervention Group1: Design 1; Intervention Group2: Design 2) to determine their relative efficacy in controlling myopia progression. Participants will: Wear assigned D.S.D.O. lenses daily for 12 months (except during sleep or unavoidable situations). Attend clinic visits at baseline, 3, 6, 9, and 12 months for comprehensive eye examinations. Maintain a diary recording daily wear time, visual symptoms, and any adverse events.
Trial Details
NCT Number NCT07323251
Lead Sponsor Beijing Tongren Hospital
Conditions
(from sponsor)		 Children With Myopia, Treatment, Multizone Lens Design for Myopic Defocus, Visual Quality, Efficacy
Enrollment 120 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov