Effect on falls of providing single lens distance vision glasses to multifocal glasses wearers: VISIBLE randomised controlled trial
BMJ (2010) - Comments
pubmed: 20501583  doi: 10.1136/bmj.c2265  issn: 1756-1833  issn: 0959-8138  issn: 1468-5833 

Mark J Haran, Ian D Cameron, Rebecca Q Ivers, Judy M Simpson, Bonsan B Lee, Michael Tanzer, Mamta Porwal, Marcella M S Kwan, Connie Severino, Stephen R Lord