00636nam 2200157z- 450 9910712794003321(CKB)5470000002496228(EXLCZ)99547000000249622820230509c1984uuuu -u- -engEye care visits and use of eyeglasses or contact lenses, United States, 1979 and 1980Hyattsville, MdU.S. Department of Health and Human Services, Public Health Service, National Center for Health StatisticsBOOK9910712794003321Eye care visits and use of eyeglasses or contact lenses, United States, 1979 and 19803307359UNINA