Status:
NOT_YET_RECRUITING
Effect of Light-Blocking Lenses on Pediatric Hyperopia
Lead Sponsor:
Zhongshan Ophthalmic Center, Sun Yat-sen University
Conditions:
Hyperopia
Eligibility:
All Genders
6-12 years
Phase:
NA
Brief Summary
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
Inclusion
- 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;
- Has been wearing standard single-vision spectacles regularly for more than six months;
- In good general health, capable of receiving the study intervention, and willing to comply with the study protocol;
- Written informed consent obtained from both the parent/guardian and the child, with agreement to comply with all study procedures and maintain follow-up availability throughout the study period;
Exclusion
- 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;
- Any other condition deemed inappropriate for participation in the clinical trial by the investigator;
Key Trial Info
Start Date :
August 25 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
June 30 2027
Estimated Enrollment :
156 Patients enrolled
Trial Details
Trial ID
NCT07142915
Start Date
August 25 2025
End Date
June 30 2027
Last Update
August 27 2025
Active Locations (1)
Enter a location and click search to find clinical trials sorted by distance.
1
Zhongshan Ophthalmic Center
Guangzhou, Guangdong, China, 510060