Researchers show a disproportionate impact on girls and East Asian populations in a new study, and they urge swift action to address this public health burden.
Emmetropes had longer tear break-up times and no evidence of ocular surface disease in a recent large study. Greater screen use is a potential culprit.
As further evidence of environmental influences on development, a Chinese study found a protective effect from abandonment of classroom study as late as ages 15 to 18.