Research
Read how they describe their research on their University of Toronto profile.
Latest papers
Prevalence of glaucoma in Canada: results from the 2016–2019 Canadian Health Measures Survey
Canadian Journal of Ophthalmology · 2024 · senior author
Outer retinal layer thickness in patients with glaucoma with horizontal hemifield visual field defects
British Journal of Ophthalmology · 2018
Survey of complementary and alternative medicine use in glaucoma patients.
Journal of glaucoma · 2012
5 publications.
Prevalence of glaucoma in Canada: results from the 2016–2019 Canadian Health Measures Survey
Ya-Ping Jin, Kiko Zi Yi Huang, Qingqing K Zhao, Graham E. Trope, Yvonne M. Buys, Sherif R. El-Defrawy, Peng Yan, Michael Henry Brent, Ziad Butty
Outer retinal layer thickness in patients with glaucoma with horizontal hemifield visual field defects
Jayme R Vianna, Ziad Butty, Lucas A. Torres, Glen P. Sharpe, Donna M. Hutchison, Lesya M. Shuba, Marcelo Teixeira Nicolela, Balwantray C. Chauhan
Survey of complementary and alternative medicine use in glaucoma patients.
Wan MJ, Daniel S, Kassam F, Mutti G, Butty Z, Kasner O, Trope GE, Buys YM
The Toronto epidemiology glaucoma survey: a pilot study
Ayako Anraku, Ya-Ping Jin, Ziad Butty, Delan Jinapriya, Tariq A. Alasbali, Zaid N. Mammo, John G. Flanagan, Graham E. Trope
Computer-assisted image analysis of temporal retinal vessel width and tortuosity in retinopathy of prematurity for the assessment of disease severity and treatment outcome.
Cheung CS, Butty Z, Tehrani NN, Lam WC
Frequent collaborators
- Yaping Jin and Graham Trope: 68 shared papers
- Graham Trope and John Flanagan: 51 shared papers
- Michael Brent and John Flanagan: 12 shared papers
- Yaping Jin and Peng Yan: 8 shared papers
- Yaping Jin and John Flanagan: 8 shared papers
- Graham Trope and Michael Brent: 8 shared papers
- Yaping Jin and Michael Brent: 7 shared papers
- Yaping Jin and Sherif El-Defrawy: 7 shared papers
- Graham Trope and Sherif El-Defrawy: 5 shared papers
- Michael Brent and Peng Yan: 5 shared papers
- Yaping Jin and Ziad Butty: 2 shared papers
- Graham Trope and Balwantray Chauhan: 2 shared papers
- Graham Trope and Ziad Butty: 2 shared papers
- Graham Trope and Peng Yan: 2 shared papers
- Michael Brent and Sherif El-Defrawy: 2 shared papers
- Michael Brent and Ziad Butty: 1 shared paper
- Balwantray Chauhan and Ziad Butty: 1 shared paper
- Ziad Butty and Sherif El-Defrawy: 1 shared paper
- Ziad Butty and Peng Yan: 1 shared paper
- Ziad Butty and John Flanagan: 1 shared paper
- Department of Ophthalmology
- Department of Ophthalmology & Vision Sciences
- Epidemiology Division
- Department of Ophthalmology & Visual Sciences
- Optometry & Vision Science
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Yaping Jin
Epidemiology Division
2 shared papers, latest 2024
Graham Trope
Department of Ophthalmology & Vision Sciences
2 shared papers, latest 2024
Sherif El-Defrawy
Department of Ophthalmology
1 shared papers, latest 2024
Peng Yan
Department of Ophthalmology & Vision Sciences
1 shared papers, latest 2024
John Flanagan
Optometry & Vision Science
1 shared papers, latest 2011
John Flanagan
Ophthalmology
1 shared papers, latest 2011
Michael Brent
Department of Ophthalmology
1 shared papers, latest 2024
Balwantray Chauhan
Department of Ophthalmology & Visual Sciences
1 shared papers, latest 2018
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.