LEADER 02488oam 2200601 450 001 9910713425403321 005 20200501103348.0 035 $a(CKB)5470000002501402 035 $a(OCoLC)1103231481$z(OCoLC)973352932 035 $a(EXLCZ)995470000002501402 100 $a20190601d1973 ua 0 101 0 $aeng 135 $aurun||||a|a|| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aVision test validation study for the Health Examination Survey among youths 12-17 years $evalidation of selected parts of the vision test battery used in the Health Examination Survey of 1966-70 among youths 12-17 years of age against a standard clinical ophthalmological examination for distance visual acuity and eye muscle imbalance /$fJean Roberts 210 1$aRockville, Md. :$cU.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics,$d1973. 215 $a1 online resource (iv, 36 pages) $cillustrations 225 1 $aVital and health statistics. Series 2, Data evaluation and methods research ;$vnumber 59 225 1 $aDHEW publication ;$vno. (HRA) 74-1333 300 $a"December 1973." 320 $aIncludes bibliographical references (page 11). 517 $aVision test validation study for the Health Examination Survey among youths 12-17 years 606 $aVisual acuity$zUnited States$vStatistics 606 $aEye$xMuscles$xAnomalies 606 $aYouth$xHealth and hygiene$zUnited States$vStatistics 606 $aEye$xMuscles$xAnomalies$2fast 606 $aVisual acuity$2fast 606 $aYouth$xHealth and hygiene$2fast 607 $aUnited States$2fast 608 $aStatistics.$2fast 608 $aStatistics.$2lcgft 615 0$aVisual acuity 615 0$aEye$xMuscles$xAnomalies. 615 0$aYouth$xHealth and hygiene 615 7$aEye$xMuscles$xAnomalies. 615 7$aVisual acuity. 615 7$aYouth$xHealth and hygiene. 700 $aRoberts$b Jean$f1918-$01398855 712 02$aNational Center for Health Statistics (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCO 801 2$bOCLCQ 801 2$bU3G 801 2$bOCLCF 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910713425403321 996 $aVision test validation study for the Health Examination Survey among youths 12-17 years$93520378 997 $aUNINA