Join a global community advancing ocular oncology
ISOO is the international home for clinicians, researchers, and professionals working on ocular and adnexal tumors. Connect with specialists across six continents, access world-class education, and help shape the future of our field.
Ordinary Membership applications are reviewed once per year. Apply by 31 May 2026 to be considered for the 2026 cycle. Approved applicants are notified by 15 July.
What you get with ISOO membership
Direct access to the people, knowledge, and meetings that shape ocular oncology worldwide.
Discounted Registration
Save $300 USD or more on bi-annual in-person ISOO congress registration.
Free Virtual Congress
ISOO's bi-annual Virtual Congress is always free for members. Non-members pay full registration.
Live Webinar Series
Free, unlimited access to ISOO webinars featuring leading voices in the field.
On-Demand Library
Lifetime access to recordings of all past congresses and webinars, plus the abstract archive.
Journal Access
Free access to Ocular Oncology and Pathology, the leading peer-reviewed journal in the field, published by Karger.
Promote Your Work
List your events, research, and projects on the ISOO website. Promoted to over 4,000 contacts globally.
Voting Rights
Ordinary Members vote on Society leadership, member admissions, and other major decisions.
Committee Participation
Eligible members serve on ISOO committees and contribute to the Society's mission.
Global Network
Connect with ocular oncology specialists, researchers, and allied professionals on six continents.
Quarterly Newsletter
Stay current on Society news, member achievements, research highlights, and global opportunities.
Six membership groups, one global community
Each category is designed for a specific role in the ocular oncology community. All members enjoy the same annual rate of $150 USD.
Ordinary Members
Voting Members of ISOO
For physicians and scientists whose primary focus is the clinical care or academic study of ocular oncology. Ordinary Members vote in elections, lead committees, and serve on the Board of Directors.
- Five or more Medline-indexed publications in ocular oncology, OR a confirmed reference from an existing Ordinary Member (this can be selected in the online application)
- CV and training history
- Approved by vote of Ordinary Members (June only)
Member-in-Training
For trainees in medical, scientific, or allied health programs related to ocular oncology.
- Proof of training status
- Letter of recommendation from an Ordinary Member (you select a member in the online application)
- Membership valid for up to two years post-training
Collaborating Members
For professionals in healthcare or research whose work intersects with ocular oncology but is not their primary focus.
- Documentation of qualifications, OR a confirmed reference from another ISOO member (selectable in the online application)
- Approved by the Board of Directors
Allied Members
For professionals working in biopharma, medical devices, NGOs, or support organizations related to ocular oncology.
- Employment in a relevant role (no reference required)
- Approved by the Board of Directors
Emeritus Members
For retired Ordinary Members who have attended at least four Regular ISOO Meetings.
- Request or nomination submitted in writing
- Lifetime membership, no dues, non-voting
- Approved by the Board of Directors
Honorary Members
Honorary Membership is awarded by nomination of the Board of Directors and requires a two-thirds vote by Ordinary Members during the Business Meeting at ISOO's bi-annual conference. This recognition is reserved for individuals who have made exceptional contributions to ocular oncology or the Society.
Joining ISOO is straightforward
Choose your category, complete the online application, and submit your supporting documents. Once approved, you pay your annual dues to activate your membership.
Choose Your Category
Use the interactive recommender below to find the membership category that best matches your role.
Complete the Application
Fill out the online application and upload your CV, references, and any supporting documents.
Review & Approval
The Membership Committee and Board of Directors review your application. Ordinary applications also require a vote by current Ordinary Members.
Activate Membership
Once approved, pay your $150 annual dues. Dues are renewed every 1 January regardless of your membership start date.
When applications are reviewed
Ordinary Membership has a single annual review cycle. All other categories are reviewed throughout the year on a rolling basis.
Ordinary Membership
Annual cycle · Once per year
All Other Categories
Rolling review · Year-round
Which category fits your role?
Answer a few short questions and we will recommend the membership category that best matches your background and goals.
Once you have your recommendation, start your membership application or jump back to the full category list.
Presenting at an ISOO conference?
If you plan to apply for membership in order to present at an upcoming ISOO conference, please review these eligibility policies.
- All presenting authors must be active ISOO members in good standing (paid dues).
- Only ISOO members may submit abstracts for any ISOO event.
- Applications should be submitted at least 30 days before the event to ensure timely review.
- Ordinary Membership applications must be submitted by 31 May to be eligible for the annual voting cycle.
- Invited speakers must apply for Allied Membership unless granted an exception by the Board of Directors.
- For main podium presentations, at least one co-author must be an Ordinary Member, or the lead author must submit a written justification.
Common questions, answered
Everything else you might be wondering about ISOO membership.
No. Honorary Membership is by nomination only. It is granted by the Board of Directors and voted on by Ordinary Members during the Business Meeting at an ISOO conference.
Your application will still be reviewed, but it will not be eligible for that year's vote. You may be offered another membership type if you are submitting an abstract for a conference.
Yes, but applications received within 30 days of an ISOO conference are not guaranteed to be reviewed or approved in time for participation.
No. ISOO welcomes researchers, allied professionals, trainees, and others working in or supporting ocular oncology.
Apply as a Member-in-Training. You will need proof of your training status and a letter from an Ordinary Member.
Ordinary Member applicants are notified by 15 July. All other categories are typically reviewed within 4 to 6 weeks.
Annual dues are $150 USD across all membership categories (excluding Emeritus, which has no dues). Dues are paid every 1 January regardless of your membership start date. Your membership is not active until annual dues are paid in full.
Ready to join ISOO?
Become part of the global community advancing the diagnosis and treatment of ocular and adnexal tumors.