About the Authors

Kahaki Kimani

Affiliation Department of Ophthalmology, University of Nairobi, Nairobi, Kenya

Robert Lindfield

robert.lindfield@lshtm.ac.uk

Affiliation International Centre for Eye Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Laura Senyonjo

Affiliation Sightsavers, Grosvenor Hall, Haywards Health, West Sussex, United Kingdom

Alex Mwaniki

Affiliation Ministry of Planning, Government of Kenya, Nairobi, Kenya

Elena Schmidt

Affiliation Sightsavers, Grosvenor Hall, Haywards Health, West Sussex, United Kingdom

Competing Interests

This study was funded by Sightsavers. Both LS and ES are full time employees of Sightsavers. Both KK and RL have received salary contributions from Sightsavers for this, and other, work.

Author Contributions

Conceived and designed the experiments: KK RL ES. Performed the experiments: KK RL. Analyzed the data: KK RL AM LS. Wrote the paper: KK RL LS ES.