About the Authors

Takele Lakew

Affiliation Orbis International, Addis Ababa, Ethiopia

Wondu Alemayehu

Affiliation Orbis International, Addis Ababa, Ethiopia

Muluken Melese

Affiliation Orbis International, Addis Ababa, Ethiopia

Elizabeth Yi

Affiliation F. I. Proctor Foundation, University of California, San Francisco, California, United States of America

Jenafir I. House

Affiliation F. I. Proctor Foundation, University of California, San Francisco, California, United States of America

Kevin C. Hong

Affiliation F. I. Proctor Foundation, University of California, San Francisco, California, United States of America

Zhaoxia Zhou

Affiliation F. I. Proctor Foundation, University of California, San Francisco, California, United States of America

Kathryn J. Ray

Affiliation F. I. Proctor Foundation, University of California, San Francisco, California, United States of America

Travis C. Porco

Affiliation F. I. Proctor Foundation, University of California, San Francisco, California, United States of America

Bruce D. Gaynor

Affiliations F. I. Proctor Foundation, University of California, San Francisco, California, United States of America, Department of Ophthalmology, University of California, San Francisco, California, United States of America

Thomas M. Lietman

Affiliations F. I. Proctor Foundation, University of California, San Francisco, California, United States of America, Department of Ophthalmology, University of California, San Francisco, California, United States of America, Department of Epidemiology & Biostatistics, University of California, San Francisco, California, United States of America, Institute for Global Health, University of California, San Francisco, California, United States of America

Jeremy D. Keenan

jeremy.keenan@ucsf.edu

Affiliations F. I. Proctor Foundation, University of California, San Francisco, California, United States of America, Department of Ophthalmology, University of California, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TML. Performed the experiments: TL WA MM EY JIH KCH BDG TML. Analyzed the data: ZZ KJR TCP TML JDK. Contributed reagents/materials/analysis tools: ZZ. Wrote the paper: TML JDK.