Efficacy of a Novel Myopia Defocus Spectacle Lens in School-Aged Children
A Pilot Study on the Short-Term Efficacy of a Novel Myopia Defocus Spectacle Lens in School-Aged Children
The Hong Kong Polytechnic University
40 participants
Apr 10, 2026
INTERVENTIONAL
Conditions
Summary
This study aims to evaluate the short-term efficacy and safety of a novel, proprietary spectacle lens. Forty myopic participants, aged 6 to 15 years, will be prescribed with the study spectacles for a period of six months. All subjects will be required to attend five scheduled visits. Change in subfoveal choroidal thickness (SfChT), axial length and refraction will be determined.
Eligibility
Inclusion Criteria5
- Age 6 to 15 years (Chinese), inclusive
- Cycloplegic SER between -0.75 D and -6.00 D in both eyes
- Astigmatism ≤ 2.00 D in both eyes
- Anisometropia ≤ 1.50 D
- BCVA of 0.04 logMAR or better in each eye
Exclusion Criteria4
- Previous or current use of any myopia control intervention within 6 months
- Presence of any ocular pathology, amblyopia, colour vision deficiency or strabismus that could affect refractive development or visual function
- History of ocular surgery or significant ocular trauma
- Known systemic diseases or use of medications that could affect vision or ocular growth
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Interventions
BLMC spectacle lens is a spectacle lens that corrects the distance refraction and provides defocus in peripheral region
Locations(1)
View Full Details on ClinicalTrials.gov
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NCT07511387