International Society of Ocular Oncology

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.

~600 Active Members
68+ Countries
6 Continents
30+ Years of Congresses
Our Mission

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.

Learn more about ISOO
Next Congress

ISOO Athens 2028

ISOO Biennial Congress

Athens, Greece

June 14–18, 2028
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.
2027
Africa
ISOO Africa
Location TBD • Dr. Ido Didi Fabian
2030
SG
ISOO Singapore
Date TBD • Dr. Gangadhara Sundar
Beyond the Congress

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.

2026–2028 Board of Directors

Meet the Board →
Dr. Santosh Honavar
Dr. Santosh Honavar President
Prof. Didi Fabian
Prof. Didi Fabian Vice President
Dr. Swathi Kaliki
Dr. Swathi Kaliki Hon. Secretary
Dr. Lauren Dalvin
Dr. Lauren Dalvin Treasurer
Dr. Hakan Demirci
Dr. Hakan Demirci Prog. Sec. '28
Become a Member

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.

The International Society of Ocular Oncology (ISOO) is a non-profit corporation with the specific and primary purpose to advance and promote the practice of ocular oncology.