Introduction
children)Additional, myopic
MYOPIA, PCT
Sufficient outdoor time is a widely accepted method for preventing myopiaFortunately, some clinical trials have discovered a novel and intriguing intervention—which has many different names, e.g., low-level laser therapy (LLLT)The first well-designed randomized controlled study also reported that this special red light therapy could shorten the AL to a mean value of − 0.06 mm (74 children)Additional evidence regarding the effect of PBM therapy on shortening the AL in myopia came from the authorized PCT patent WO2020244675A112 with a disclosure date of 2020. In the patent, a similar phenomenon was observed, including a decrease in AL for 84 myopic children (6–23 years old) for several months (one child underwent therapy for 3 months, the other 83 children underwent therapy for 6 months) after PBM therapy twice a day.Previously, we published a retrospective cohort study