João Breda is an MD PhD with a degree in Ophthalmology. He is a cataract and glaucoma surgeon with a special interest in the treatment of all forms of glaucoma.

He is an attending physician in the glaucoma department at the public hospital Centro Hospitalar e Universitário São João (CHUSJ), in Porto, Portugal, and also works in the private sector. He was ranked the 2nd best in Europe in the European Board of Ophthalmology (EBO) exam in May 2019 and completed a European Glaucoma Society (EGS) fellowship abroad, in Leuven, Belgium, with Professor Ingeborg Stalmans, a world-renowned leader in the field.

He obtained his double doctoral degree from the University of Porto, Portugal, and from KU Leuven, Belgium, and he is a Professor of Ophthalmology at the Faculty of Medicine of the University of Porto. His doctoral thesis focused on the role of ocular blood flow in glaucoma, studying hundreds of glaucoma patients, including a group with low-pressure or normal-tension glaucoma.
He performs clinical research in the field of glaucoma, including studies concerning artificial intelligence, imaging, surgery, epidemiology, and metabolomics. He is an author of several published international research papers.

professional training


General Medical Internship,
Hospital Pedro Hispano, Matosinhos

2013 - 2018

Ophthalmology Residency,
Centro Hospitalar Universitário São João, Porto

- 1st in final national exam (19.7/20)

2016 - 2017

Glaucoma Fellowship,
University Hospitals Leuven, Belgium

academic qualifications

2005 - 2011

Masters in Medicine,
University of Coimbra

- 3rd best of his class final average 17/20
- 3 times awarded the annual award for the University’s 3% best students


PhD in Clinical and Health Services Research, University of Porto


PhD in Biomedical Sciences,
KU Leuven, Belgium

- Thesis title: The role of ocular blood flow in glaucoma

scientific and pedagogical activity

Training in clinical research by Harvard Medical School

Author of several international publications

(see full list)

Professor of Ophthalmology at the Faculty of Medicine of the University of Porto

Member of interdisciplinary research groups:

- Cardiovascular R&D Unit (UnIC), Faculty of Medicine of Porto, Portugal
- Research Group Ophthalmology, KU Leuven, Belgium


Volunteering in São Tomé and Principe island where he performed consultations and surgeries.