Get started
Author

John Onyango

Observed names: J. Onyango, Onyango, John
ORCID: 0009-0003-4346-7874
Observed ORCID: 0009-0003-4346-7874
OpenAlex ID: A5018923186
Epidemiology of Microbial Keratitis in Uganda: A Cohort Study
2019 · Simon Arunga, Guyguy M. Kintoki, et al. · Ophthalmic Epidemiology · 29
PDF
Delay Along the Care Seeking Journey of Patients with Microbial Keratitis in Uganda
2019 · Simon Arunga, Guyguy M. Kintoki, et al. · Ophthalmic Epidemiology · 29
PDF
The impact of microbial keratitis on quality of life in Uganda
2019 · Simon Arunga, Geoffrey Wiafe, et al. · BMJ Open Ophthalmology · 26
PDF
Risk Factors of Microbial Keratitis in Uganda: A Case Control Study
2019 · Simon Arunga, Guyguy M. Kintoki, et al. · Ophthalmic Epidemiology · 17
PDF
Traditional eye medicine use in microbial keratitis in Uganda: a mixed methods study
2019 · Simon Arunga, Allen Asiimwe, et al. · Wellcome Open Research · 16
PDF
Smartphone-based Ophthalmic Imaging Compared With Spectral-domain Optical Coherence Tomography Assessment of Vertical Cup-to-disc Ratio Among Adults in Southwestern Uganda
2020 · Baimba R. Idriss, Tu M. Tran, et al. · Journal of Glaucoma · 14
A ten-year study of Retinoblastoma in Uganda: An approach to improving outcome with limited resources
2020 · K. Waddell, M. Matua, et al. · Cancer Epidemiology · 14
PDF
Predictors of ocular surface squamous neoplasia and conjunctival squamous cell carcinoma among ugandan patients: A hospital-based study
2018 · Simon Arunga, Harrison-WilliamsC M Lloyd, et al. · Middle East African Journal of Ophthalmology · 11
PDF
Outcome of intravitreal Avastin® injections in patients with macular oedema in Uganda: a cohort study
2022 · Rachel R. Kabunga, John Onyango, et al. · Eye · 9
PDF
Characteristics of glaucoma in black African patients attending Ruharo Eye Centre, South Western Uganda
2013 · Mbumba Bf, K Kagame, et al. · 9
The management of microbial keratitis within Uganda’s primary health system: a situational analysis
2019 · Simon Arunga, Naome Kyomugasho, et al. · Wellcome Open Research · 7
Corneal endothelial cell density and associated factors among adults at a regional referral hospital in Uganda: a cross-sectional study
2024 · Shamiim Namwase, Sam Ruvuma, et al. · BMC Ophthalmology · 4
PDF
Validity of smartphone fundus photography in diagnosing diabetic retinopathy at Mbarara Regional Referral Hospital, South Western, Uganda
2017 · A. Bobb-Semple, S. Ruvuma, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA) · 4
PDF
Prevalence and causes of blindness and vision impairment in Western Uganda: Findings from a rapid assessment of avoidable blindness (RAAB) survey
2025 · Mostafa Bondok, Moses Kasadhakawo, et al. · PLoS ONE · 3
PDF
Prevalence and Factors Associated with Refractive Errors among University Students at Mbarara University of Science and Technology, Uganda
2024 · Denis Kamara, John Onyango, et al. · Open Journal of Ophthalmology · 3
PDF
Management of microbial keratitis by private pharmacies in Uganda: a study of knowledge, attitude, and practice.
2025 · Abel Ebong, Simon Arunga, et al. · Wellcome Open Research · 2
Diabetic Retinopathy Screening Program in Southwestern Uganda: DR Uganda
2020 · Simon Arunga, Tu M. Tran, et al. · 1
Childhood blindness and visual impairment among children attending Ruharo Eye Centre
2015 · S C Umesumbu, B D Bwonya, et al. · 1
Prevalence and Factors Associated With Refractive Errors Among Healthcare Workers at Mbarara Regional Referral Hospital
2026 · Angela Meric Birungi, Denis Pliers Tusingwire, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA)
PDF
Outcomes of autologous blood conjunctival graft for pterygium surgery at Mbarara University and Referral Hospital Eye Centre and Ruharo Eye Centre
2026 · Pliers Denis Tusingwire, Simon Arunga, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA)
PDF
Editorial: Cataract auditing as a tool for improving effective cataract surgical coverage
2026 · Simon Arunga, John Onyango, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA)
PDF
Epidemiology of Microbial Keratitis on Uganda: A 7-year update
2026 · Simon Arunga, Abel Ebong, et al. · Wellcome Open Research
Capacity For Glaucoma Screening And Treatment At Primary And Secondary Level Health Centers In Southwestern Uganda: Situational Analysis.
2026 · Teddy Kwaga, John Onyango, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA)
PDF
Factors associated with the uptake of cataract surgery among adults identified with operable cataract in South Western Uganda
2025 · Raheel Kanji, John Onyango, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA)
PDF
Reliability of clinical signs in diagnosis of fungal keratitis
2024 · Abel Ebong, Simon Arunga, et al. · Journal of Ophthalmology of Eastern Central and Southern Africa (JOECSA)
PDF
Works count: 28
Citation count: 199
H-index: 9
I10-index: 8
Year
Topic
Type