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Search / Trial NCT04073238

Efficacy of Repeated Low-Level Red-Light Therapy in Myopia Control

Launched by ZHONGSHAN OPHTHALMIC CENTER, SUN YAT-SEN UNIVERSITY · Aug 27, 2019

Trial Information

Current as of October 03, 2025

Unknown status

Keywords

ClinConnect Summary

Low level light therapy (LLLT) is an innovative and non-invasive therapeutic treatment for a variety of eye diseases. Its potential mechanisms of improving choroidal metabolic rate and circulation may improve scleral hypoxia, thus slowing down the progression of myopia. The investigator's preliminary case-series study suggested that repeated low-level red-light therapy was effective in slowing myopia progression without any clinically observable side effects. Using a randomized clinical trial design, the purpose of this study is to determine if repeated low-level red-light therapy can slow ...

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • 1. Age at enrolment: 8-13 years
  • 2. Spherical equivalent refractions (SERs): -1.00 to -5.00 diopters (D)
  • 3. Astigmatism of 2.50 D or less
  • 4. Anisometropia of 1.5 D or less
  • 5. Spectacle corrected monocular logMAR visual acuity (VA): 0 or better
  • 6. Parents' understanding and acceptance of random allocation of grouping
  • Exclusion Criteria:
  • 1. Strabismus and binocular vision abnormalities in either eye
  • 2. Ocular abnormalities in either eye or other systemic abnormalities
  • 3. Prior treatment of myopia control, e.g. drugs, orthokeratology, progressive addition lenses, bifocal lenses, etc in either eye
  • 4. Other contraindications in either eye

About Zhongshan Ophthalmic Center, Sun Yat Sen University

The Zhongshan Ophthalmic Center, affiliated with Sun Yat-sen University, is a leading institution in ophthalmic research and clinical care in China. Renowned for its commitment to advancing the field of ophthalmology, the center specializes in innovative treatments and technologies for various eye conditions. With a strong emphasis on clinical trials, the center aims to enhance patient outcomes through rigorous scientific investigation and collaboration with global research networks. Its multidisciplinary team of experts is dedicated to fostering cutting-edge research that translates into effective therapeutic strategies for vision preservation and restoration.

Locations

Guangzhou, Guangdong, China

Changsha, Hunan, China

Shenzhen, Guangdong, China

Foshan, Guangdong, China

Patients applied

0 patients applied

Trial Officials

Mingguang He, Professor

Principal Investigator

Zhongshan Ophthalmic Center, Sun Yat-sen University

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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