Media type: E-Article Title: The Effect of Two-Zone Concentric Bifocal Spectacle Lenses on Refractive Error Development and Eye Growth in Young Chicks Contributor: Liu, Yue; Wildsoet, Christine Published: Association for Research in Vision and Ophthalmology (ARVO), 2011 Published in: Investigative Opthalmology & Visual Science, 52 (2011) 2, Seite 1078 Language: English DOI: 10.1167/iovs.10-5716 ISSN: 1552-5783 Origination: Footnote: Access State: Open Access