Statistics from Altmetric.com
Funding The study was funded in part by an unrestricted grant from Abbott Medical Optics. The sponsor has no role in study design and collection, analysis and interpretation of data. The authors have no financial interests or commercial affiliations.
Competing interests None.
Provenance and peer review Not commissioned; externally peer reviewed.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.