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The Effect of Blue-light Filtering Spectacle Lenses on Myopia Progression in Schoolchildren

Myopia Clinical Trial

Official title:
Does Blue-light Filtering Spectacle Lens Promote Myopia Progression in Schoolchildren

Clinical Trial Summary

The purpose of this study is to investigate if the blue-light filtering spectacle lenses promote myopia progression in schoolchildren.

Clinical Trial Description

The effect of blue light on ocular health has been studied extensively. Shorter wavelength such as blue light could cause damage to the retina. The damage was more evident in the ageing eye. Since the tablets and mobile with blue LED backlight display are widely used, thus blue-light filtering spectacle lenses are now available in the market. However, whether this kind of lenses could affect the eye growth in schoolchildren is unknown. This study is then designed to investigate if the blue-light filtering spectacle lenses affect myopia progression in Hong Kong Chinese schoolchildren. The schoolchildren will be randomly allocated to either blue-light filtering spectacle lens group (treated) or conventional spectacle lens group (control). Their axial length and refraction will be monitored every 6 months for 2 years. The changes between two group will then be compared. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03538002
Study type Interventional
Source The Hong Kong Polytechnic University
Contact
Status Completed
Phase N/A
Start date September 10, 2018
Completion date November 30, 2021
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