Researchers in China conducted a comprehensive analysis to uncover the growing risk of myopia in the youth, publishing their findings in the British Journal of Ophthalmology.

The researchers reviewed over 270 studies spanning 50 countries across six continents, involving approximately 5.5 million children. Their analysis indicates a notable increase in the prevalence of myopia, climbing from 24% in children from 1990 to 2000 to around 36% between 2020 and 2023. The data also showed higher rates of nearsightedness in East Asia, in high school students, and in girls compared to boys.

"The global prevalence of childhood myopia is substantial, affecting approximately one-third of children and adolescents, with notable variations in prevalence across different demographic groups," the researchers stated. Myopia, if not treated with corrective lenses, can hinder learning, driving, and other daily activities. Severe cases increase the risk of retinal detachment, cataracts, and glaucoma, though the condition tends to stabilize in adulthood.

While genetic factors contribute to myopia, environmental influences, particularly related to educational demands and reduced exposure to natural daylight, play a significant role. The pandemic exacerbated the situation by increasing screen time and limiting outdoor activities due to social distancing measures.

In response to this growing concern, some countries have introduced initiatives to mitigate childhood myopia, such as increasing outdoor time during school hours. Despite these efforts, the researchers project that nearly 40% of children and teens worldwide, or about 740 million individuals, will be myopic by 2050. This underscores the urgent need for further measures to safeguard the eye health of the younger population across the globe.