A study of researchers from the University of Minho concluded that there is a "significant increase" in the prevalence of myopia in Portuguese children and adolescents, with that vision problem reaching more than 45 percent of high school students.
Researchers at the University of Minho have studied 347 children and adolescents and confirm: myopia grows with age and is associated with intensive use of mobile phones.
A study of researchers from the University of Minho concluded that there is a "significant increase" in the prevalence of myopia in Portuguese children and adolescents, with that vision problem reaching more than 45 percent of high school students.