TY - GEN AU - Czepita,Damian AU - Mojsa,Artur AU - Zejmo,Maria TI - Prevalence of myopia and hyperopia among urban and rural schoolchildren in Poland SN - 1427-440X PY - 2009///0226 KW - Adolescent KW - Astigmatism KW - epidemiology KW - Child KW - Demography KW - Female KW - Humans KW - Hyperopia KW - Male KW - Myopia KW - Poland KW - Prevalence KW - Rural Health KW - statistics & numerical data KW - Urban Health N1 - Publication Type: Journal Article ER -