About the Authors

Keith B. Godfrey

k.godfrey@damtp.cam.ac.uk

Affiliations Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, United Kingdom, Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada

Stephen J. Eglen

Affiliation Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, United Kingdom

Nicholas V. Swindale

Affiliation Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KBG NVS. Performed the experiments: KBG. Analyzed the data: KBG. Contributed reagents/materials/analysis tools: KBG SJE NVS. Wrote the paper: KBG SJE NVS.