Myopia Eye Diseases
Conditions
Interventions
This is a prospective randomised controlled trial with a 1:1 allocation of intervention and control (light therapy vs no light therapy). There is no placebo group, rather, there will be a group of chi
Sponsors
Glasgow Caledonian University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Healthy children aged over 7 years and younger than 13 years 2. Minimum amount of -0.50 D spherical equivalent refraction (SER) of myopia 3. Best corrected distance visual acuity of at least 0.3 logMAR in each eye (healthy level of vision)
Exclusion criteria
Exclusion criteria: 1. Myopia level of -10D or greater in either eye 2. Astigmatism of 4D or greater in either eye 3. Presence of significant ocular comorbidities 4. Amblyopia in either eye 5. Allergy to cyclopentolate eye drops 6. Use of atropine eye drops in the previous year 7. Taking melatonin supplements 8. Travelled across more than one time zone in the past month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length measured using biometry at baseline and 6 months | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Refractive error measured using cycloplegic autorefraction at baseline and 6 months 2. Salivary melatonin measured using a commercial ELISA kit at baseline and 6 months 3. Tolerability measured using participant questionnaire at baseline, 3 months and 6 months | — |
Countries
Scotland, United Kingdom
Contacts
Public ContactStephanie Kearney
Outcome results
None listed