Efficacy of repeated low-level red-light therapy in the prevention and control of myopia in children

•RLRL treatment is effective, fast and convenient for the prevention and control of myopia in children and adolescents.•The mechanism of action of low-level red-light therapy warrants further investigation.•After stopping the use of LRL, there is a rebound effect. In this study, we aimed to determin...

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Veröffentlicht in:Photodiagnosis and photodynamic therapy 2024-06, Vol.47, p.104216, Article 104216
Hauptverfasser: Zhang, Hao, Cui, Mingming, Jie, Ying, Chen, Ting, Kang, Meixia, Bai, Wanbing, Wang, Baoshi, Wang, Yuan
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Sprache:eng
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Zusammenfassung:•RLRL treatment is effective, fast and convenient for the prevention and control of myopia in children and adolescents.•The mechanism of action of low-level red-light therapy warrants further investigation.•After stopping the use of LRL, there is a rebound effect. In this study, we aimed to determine how different factors influence the effectiveness of repeated low-level red-light (RLRL) therapy in preventing and treating myopia in children. Between June 2022 and April 2023, 336 children who visited our hospital due to myopia or significant decreases in hyperopia reserve were enrolled. The children were treated twice daily for three minutes with a head-mounted low-level red-light (single wavelength of 650 nm) therapeutic device. Each of the two treatment sessions was separated by at least four hours. The axial lengths and diopters of the children's eyes were compared before and three months after treatment, and the effects of gender, age, and baseline diopter on the efficacy of RLRL therapy were analyzed. Following three months of treatment, the average axial length of the eyes decreased by 0.031 mm. The condition was better for the boys than for girls, but the difference was not statistically significant. As age increased (F = 8.112, P = 0.000) or as the absolute value of baseline myopia degree increased (F = 10.51, P = 0.000), axial lengths of the eyes tended to decrease. The spherical equivalent refraction (SER) of children decreased by an average of 0.012 ± 0.355D. The condition was better for the boys than for girls, but the difference was not statistically significant. SER increased in the direction of hyperopic drift as age increased (F = 2.48, P = 0.031), or as the absolute value of baseline myopia degrees increased (F = 6.835, P = 0.000). There were no obvious side effects following the treatment. This study showed that RLRL therapy is a potential efficient, easily operable, and practically feasible method for the prevention and control of myopia.
ISSN:1572-1000
1873-1597
1873-1597
DOI:10.1016/j.pdpdt.2024.104216