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You are here: Home1 / One Retinoblastoma World2 / One Rb World 2020
One Rb World 2026 conference logo layered over a vibrant panoramic night-time view of the San Antonio River Walk. Logo text reads: One Retinoblastoma World | San Antonio, Texas, September 12–14, 2026. Between the location and date, a small brick red quatrefoil outlined in white and clay pink features a sky blue horseshoe with white nail heads along the curve cupping a white lone star. The main conference logo features a target-like eye graphic with brightly coloured concentric rings surrounding a pearlescent circle, with a strand of DNA in the inner-most ring. In the background, festive San Antonio lights are strung across trees and buildings, all reflecting on the water. Colourful umbrellas and tables line the River Walk, evoking a cheerful, lively atmosphere.

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Welcome to

One Retinoblastoma World 2020

Background of the Ottawa riverfront skyline at sunset. Below the One Rb World logo, text reads "Virtual conference, 3-4 October, 2020". A maple leaf features before the date.

2020 Meeting

Ottawa, Canada

Virtual Conference

3 – 4 October, 2020


The 5th One Retinoblastoma World Conference took place online, due to the COVID-19 pandemic.

The 2020 team worked hard to create a safe, valuable and effective event for everyone in difficult circumstances, and we were delighted to welcome 270 attendees from 38 countries.

Download the One Rb World 2020 Program
Download the One Rb World 2020 Conference Report

One Retinoblastoma World is a global network with the bold idea that all children with retinoblastoma and survivors can have equal opportunity to access optimal care. When diagnosed early and treated effectively, childhood eye cancer is curable. No child should die, or suffer avoidable blindness because of it.

Many challenges impede scientific research needed to develop evidence based care, but One Retinoblastoma World is breaking down those obstacles.

The One Rb World Conference gathers together eye and cancer specialists, researchers, parents, and survivors from around the world to pursue the best possible retinoblastoma care for all children and throughout life. Collaborative research, clinical care and family support benefitting the majority of children and survivors can only be developed through inclusive meetings with a real-world focus.

One Rb World usually precedes the International Society of Paediatric Oncology (SIOP) World congress which in 2020 was due to be held October 14-17 in Ottawa, Canada. However, due to the COVID-19 pandemic, World Eye Cancer Hope, with local co-hosts the International Retinoblastoma Consortium, the Canadian Retinoblastoma Research Advisory Board and the Canadian Retinoblastoma Society, decided to hold One Rb World 2020 virtually.

We were motivated by the success of our 2017 live stream, which expanded access to many professionals, parents, and survivors who could not travel to Washington D.C. This novel structure allowed for global collaboration and networking while prioritizing attendee health and safety.

Patient partnerships were a guiding principle for the 2020 conference, drawing inspiration from the Canadian Retinoblastoma Patient Engagement Strategy. Panel sessions led by international experts covered diverse topics, including early detection, new Rb treatments, genetics, child life, psychosocial care, second cancer risks, survivorship and patient engagement.

This 2020 event brought together patients, survivors, families, medical professionals and scientists, in a unique collaborative forum to share knowledge, best practices, cutting edge research and the everyday trials of cancer survivorship.


From Our Blog – November 23, 2020

One Retinoblastoma World 2020: Inspiring Global Support, Research and Action.


View the complete playlist of sessions from the event.

One Rb World 2021

We look forward very much to welcoming our global community back to the One Rb World conversation in October 2021, in Honolulu.  Save The Date, and we hope to see you in Hawaii! We will share more information as soon as it becomes available.

To learn more about One Rb World, please visit the following pages.

  • About One Retinoblastoma World
  • One Retinoblastoma World 2017 – Washington D.C.
  • One Retinoblastoma World 2021 – Honolulu, Hawaii
A pink banner with the words “Register Now” spans the top of the image. Diamond Head and Waikiki Beach in Honolulu are bathed in light, under a slightly cloudy blue sky. Along the coastline, gold reflections from the many buildings ripple and merge into the turquoise ocean. The One Rb World logo includes a pink flower for Hawaii. Text reads: “One Retinoblastoma World, Honolulu, Hawaii | October 15-17, 2024.”

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