02488oam 2200601 450 991071342540332120200501103348.0(CKB)5470000002501402(OCoLC)1103231481(OCoLC)973352932(EXLCZ)99547000000250140220190601d1973 ua 0engurun||||a|a||txtrdacontentcrdamediacrrdacarrierVision test validation study for the Health Examination Survey among youths 12-17 years validation of selected parts of the vision test battery used in the Health Examination Survey of 1966-70 among youths 12-17 years of age against a standard clinical ophthalmological examination for distance visual acuity and eye muscle imbalance /Jean RobertsRockville, Md. :U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics,1973.1 online resource (iv, 36 pages) illustrationsVital and health statistics. Series 2, Data evaluation and methods research ;number 59DHEW publication ;no. (HRA) 74-1333"December 1973."Includes bibliographical references (page 11).Vision test validation study for the Health Examination Survey among youths 12-17 years Visual acuityUnited StatesStatisticsEyeMusclesAnomaliesYouthHealth and hygieneUnited StatesStatisticsEyeMusclesAnomaliesfastVisual acuityfastYouthHealth and hygienefastUnited StatesfastStatistics.fastStatistics.lcgftVisual acuityEyeMusclesAnomalies.YouthHealth and hygieneEyeMusclesAnomalies.Visual acuity.YouthHealth and hygiene.Roberts Jean1918-1398855National Center for Health Statistics (U.S.),OCLCEOCLCEOCLCOOCLCQU3GOCLCFOCLCAGPOBOOK9910713425403321Vision test validation study for the Health Examination Survey among youths 12-17 years3520378UNINA