Media type: E-Article Title: Author reply to: estimation of global visual impairment due to uncorrected refractive error Contributor: Silvio Mariotti; Serge Resnikoff; Donatella Pascolini Published: 2008 Published in: Bulletin of the World Health Organization, 86 (2008) 8 Language: English ISSN: 0042-9686 Origination: Footnote: Access State: Open Access