Fig. 4From: The increasing prevalence of myopia in junior high school students in the Haidian District of Beijing, China: a 10-year population-based surveyThe prevalence of each myopia subgroup in girls and boys. a, b, c and d represent non-myopia, low myopia, moderate myopia, and high myopia prevalence separately in boys and girls. The results indicate that females are more likely than males to develop moderate myopiaBack to article page