Conserving the Sight of School Children: A Program for Public Schools |
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20-foot line accurate American Medical Association appendages artificial light astigmatism blepharitis Board of Health borderline child children's vision ciliary CILIARY MUSCLE co-operation Committee on Health conservation of vision CONSERVING VISION cornea correction defective vision defects of vision diopters distance eye and vision eye conditions eye defects eye disease eye examinations eye inspections eyeball eyelids eyes of school eyesight glare health defect health examination hyperopic Illinois illumination lachrymal lens letter chart methods muscle National Education Association National Society ophthalmologists parents physical examinations practice present Prevention of Blindness Problems in Education public schools pupils questionnaire refractive error regular grade school children school examinations school nurse school physicians sclera SIGHT OF SCHOOL sight-saving classes Snellen chart standard Strabismus symbol chart symptoms of asthenopia symptoms of eyestrain tion trained non-medical examiners treatment twelve foot-candles vision among school vision classes vision of school vision test visual acuity York City