About the Authors
- Susan Lewallen
- Kilimanjaro Centre for Community Ophthalmology, Good Samaritan Foundation, Moshi, Tanzania
- Amir Bedri Kello
- Light for the World, Addis Ababa, Ethiopia
The authors have declared that no competing interests exist.
ICMJE criteria for authorship read and met: SL ABK. Wrote the first draft of the paper: SL. Contributed to the writing of the paper: SL ABK.