Editing Visual system (section)

===Childhood and adolescence===

[[Depth perception]], focus, tracking and other aspects of vision continue to develop throughout early and middle childhood. From recent studies in the [[United States]] and [[Australia]] there is some evidence that the amount of time school aged children spend outdoors, in natural light, may have some impact on whether they develop [[myopia]]. The condition tends to get somewhat worse through childhood and adolescence, but stabilizes in adulthood. More prominent myopia (nearsightedness) and astigmatism are thought to be inherited. Children with this condition may need to wear glasses.