Advancing Ocular Oncology
Across Every Continent
ISOO connects nearly 600 clinicians, researchers, and scientists from 68 countries in the shared mission of improving outcomes for patients with ocular tumors worldwide.
To promote the advancement of ocular oncology by coordination with general ophthalmology, general oncology, ophthalmic pathology, and allied sciences — through the encouragement of research, improvement of teaching and technical methods, and improvement of patient care through scientific meetings and other activities worldwide.
ISOO Athens 2028
Athens, Greece
Hosted by Dr. Maria Pefkianaki
Join the global ocular oncology community for five days of world-class science, collaboration, and education in one of the world's most storied cities.
Africa
SG
ISOO is Active Year-Round
The biennial congress is just one part of what ISOO offers. Our growing programs connect the global community between meetings — wherever you are.
Educational Webinars
Regular ISOO-hosted webinars on clinical, research, and training topics — free for members worldwide.
💻ISOO Virtual Congress
A full virtual congress on alternate years, reaching over 1,500 participants from 132 countries at ISOO Virtual 2025.
🌍Global Twinning Program
Pairing ocular oncology centers across high- and low-income countries to share expertise and strengthen care.
🔬Collaborative Research
Member-led multi-center studies that accelerate discovery across retinoblastoma, uveal melanoma, and more.
✈️Travel Grants
Awarded to over 100 members annually, prioritizing Members in Training and colleagues in low- and middle-income countries.
📖OOP Journal Access
All members receive full access to Ocular Oncology & Pathology, plus free publication for member submissions.
2026–2028 Board of Directors
Meet the Board →




Join the Global Ocular Oncology Community
ISOO membership connects you with nearly 600 specialists across 68 countries — with access to educational programs, travel grants, the OOP journal, and the biennial congress.