title: [Clinical study on diminution of visual acuity of pupils and students (1). Studies of cases in which visual acuity was judged as abnormal during mass examination].
mesh_terms: D000065:Accommodation, Ocular; D000293:Adolescent; D002648:Child; D006801:Humans; D012030:Refractive Errors / Q000175:diagnosis; D014786:Vision Disorders / Q000175:diagnosis*; D014792:Visual Acuity