[So-called school myopia with emphasis on its causes and preventive measures].
D000293:Adolescent; D000818:Animals; D002648:Child; D002924:Ciliary Body / Q000503:physiopathology; D006801:Humans; D007908:Lens, Crystalline / Q000503:physiopathology; D009216:Myopia / Q000209:etiology* / Q000517:prevention & control* / Q000628:therapy; D011817:Rabbits; D012029:Refraction, Ocular; D012574:Schools