Effect of Light-Blocking Lenses on Pediatric Hyperopia

ConditionHyperopia

Trial statusNot yet recruiting

Trial phaseNot applicable

Trial typeInterventional

Biological sexAll

Age6-12

SponsorZhongshan Ophthalmic Center, Sun Yat-sen University

About this trial

This study aims to assess the efficacy of light-blocking lenses in facilitating emmetropization in children with hyperopia and to explore their influence on various aspects of visual function.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Aged 6 years or older and 12 years or younger;

Spherical refractive error in both eyes between +3.0 D and +7.5 D, cylindrical refractive error between -2.0 D and 0 D; interocular difference in spherical power less than 1.5 D and in cylindrical power no greater than 1.0 D;

Best-corrected visual acuity of 0.0 logMAR or better in both eyes;

Ocular deviation with spectacles less than 10 prism diopters;

Disqualifiers

History of ocular trauma or eye surgery;

Presence of pathological abnormalities on anterior or posterior segment examination, or a history of organic ocular diseases such as cataract, glaucoma, corneal disease, or fundus disorders;

Intraocular pressure greater than 21 mmHg;

Presence of systemic diseases or other conditions deemed unsuitable for study participation;

Trial design

Design model

Parallel

Treatments tested in this trial

light-blocking lenses
Other intervention
Subjects will be instructed to wear light-blocking lenses full-time for 12 months.
single-vision lenses
Other intervention
Subjects will be instructed to wear single-vision lenses full-time for 12 months.

Treatment groups

156 Participants

are divided into 2 treatment groups

Group A: Intervention GroupExperimental treatment 1 intervention

Group B: Control GroupPlacebo comparator 1 intervention

Trial outcomes