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Study identifier: NCT06631339 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Optimizing Light Exposure for Myopia Prevention and Control (LightSPAN)

Condition: Myopia · Light; Therapy, Complications · Myopia Progression  ·  Sponsor: National University of Singapore

PhaseNA
Planned participants396
Who can joinAll sexes, 7 Years to 10 Years
Healthy volunteersYes

About this study

The goal of this clinical trial is to evaluate whether the optimization of daily exposure to light in primary school children can lead to better myopia prevention and control. The trial also aims to better understand the impact of light exposure on sleep and cognitive performance in children. This trial has 3 arms namely, (1) a technical intervention arm, (2) a digital intervention arm, and (3) a control arm. 1. technical intervention - which involves changing of classroom lighting in primary schools to ceiling lights that mimic the spectral composition of sunlight and fluctuates in intensity. Parents of children within that arm will have a sham smart-phone application (s-LightUP) 2. digital intervention - which involves standard classroom lighting and giving parents an interventional smart-phone application (i-LightUP) that will be coupled with their child's light and activity sensor (wrist worn device ). The interventional app will provide individually tailored recommendation based on their children's behaviour (data feedback that is collected from the light and activity monitoring watch). The interventional app would then send reminder prompts/notifications to encourage parents help their children achieve required amounts of myopia-preventive light quantum target set per day. 3. Standard care or control group which involves standard classroom lighting and parents having a sham smart-phone application (s-LightUP) Participants will: * be randomised to receive either no i…

This description comes directly from the study's public registry record.

Talk to the study team

Raymond P. Najjar, PhD  ·  006566018519  ·  lightspan@nus.edu.sg

Always discuss trial participation with your own doctor first.

Locations (5)

National University of Singapore, Yong Loo Lin School of Medicine, Department of Ophthalmology, Eye N Brain Research LabSingapore, SingaporeRecruiting
Marymount Convent SchoolSingapore, SingaporeRecruiting
Bedok Green Primary SchoolSingapore, SingaporeRecruiting
Westwood Primary SchoolSingapore, SingaporeRecruiting
Wellington Primary SchoolSingapore, SingaporeRecruiting

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Source record: clinicaltrials.gov/study/NCT06631339