00324nas a2200133   4500000000100000008004100001260001700042100001500059700001500074245007900089300000900168490000700177050000600184       2008                            d  c-350637040201 aDandona R.1 aDandona L.00aEstimation of global visual impairment due to uncorrected refractive error  aB-C.0 v86  aY