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Foreword from the Report Waste in Industry
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acuteness of vision artificial lighting Astigmatic Eye astigmatism Board of Education Board of Health cause ceiling cent Code of Lighting color Company conservation of vision cornea corrected COUNCIL of America cross-eyes daylight defective eyes defective vision diffused distance employees eye accidents EYE CONSERVATION eye defects eye examination eye injuries eye protection Eye Sight Conservation eye tests eyestrain factory fatigue foot-candles glasses goggles health officers Hyperopia Illuminating Engineering Society Illustration important improper lighting improved instructions lamp lens lenses light source muscles normal eye normal vision Panama Canal Zone Person Required physical examination proper Provisions for Eye pupil records Reference to Eye reflected glare reflectors regulations reported retina returns indicate right eye school children SCHOOL LIGHTING shades Sight Conservation Council slides Statutory Provisions Subject Summary of Provisions surface systematic effort teachers test cards Vision Chart vision tests visual acuity WASTE IN INDUSTRY wearing workers York City