Advancing Ocular Oncology
Across Every Continent
ISOO connects more than 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 through coordination with general ophthalmology, general oncology, ophthalmic pathology, and allied sciences. ISOO pursues this mission by encouraging research, improving teaching and technical methods, and strengthening patient care through scientific meetings and programs 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.
SG
USA
ISOO is Active Year-Round
The biennial congress is one part of what ISOO offers. Our programs connect the global community between meetings, wherever you are.
ISOO Webinar Series
A quarterly series anchored to global awareness moments, covering retinoblastoma, uveal melanoma, ocular surface tumors, and more. Free for members.
👥YOO Webinar Series
The Young Ocular Oncologists series builds skills and community for trainees and early-career specialists worldwide.
💻ISOO Virtual Congress
A full virtual congress in alternating years, reaching more than 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 multicenter studies that accelerate discovery across retinoblastoma, uveal melanoma, and more.
✈️Travel Grants
Awarded to more than 100 members each year, prioritizing members in training and colleagues in low- and middle-income countries.
📖OOP Journal Access
All members receive full access to Ocular Oncology and Pathology, plus free publication for member submissions.
🤝Partner with ISOO
A clear three-tier framework lets members and organizations request formal collaboration on meetings, symposia, and educational programs.
🏛️List Your Society
Part of an ocular oncology society? Add it to our global directory so colleagues everywhere can find and connect with you.
2026 to 2028 Board of Directors
Meet the Board →
Join the Global Ocular Oncology Community
ISOO membership connects you with more than 600 specialists across 68 countries, with access to educational programs, travel grants, the OOP journal, and the biennial congress.