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Stop press: we are now inviting applications for the 2025 summer school

10th August - 15th August 2025
Pembroke College, Oxford
We invite applications for the ICVS Summer School 2025 at Pembroke College, Oxford, UK, 10th August - 15th August 2025. The school will accept selected students and young researchers with basic knowledge of colour vision. It will focus on colour vision and its applications. The school will include lectures, discussion, and hands-on workshops, providing opportunities for formal and informal interaction with leading colour vision researchers.

The next ICVS summer school will run from Monday 11th August to Friday 15th August 2025, with students arriving on Sunday 10th. As in previous years, it will take place at Pembroke College, Oxford, UK. We will post further details soon. In the meantime, please put these dates in your diary.
Dear Andre, Barry and Jay
We missed you in Ljubljana. We recorded a very amateurish video to say 'hi' from the business meeting. It started recording just as John was talking about you, Andre, and how this is the first IRGCVD/ICVS that you have not attended. And, Barry and Jay, we wanted to send you both our best too. We hope all three of you are now in better health.
Although this is on the website, it is only visible to people I've sent the link to (i.e. the 3 of you). It was too big to email! You'll need to download it so right click on the link below and use "save as" or whatever the Apple equivalent is! Email me (
With best wishes.
Right-click to save video

STOP PRESS
Updated 30th may 2024
I am informed by the conference organisers that the problem with their 3rd party payment server has now been resolved, so that most people can now make their credit card payments. I understand from them that, due to local bank issues, one or two American and Japanese delegates may still encounter credit card issues. Do please go ahead and complete your registration ASAP. Please address your registration queries to the conference bureau on

We are pleased to announce that the 2024 Verriest Medal will be awarded to Professor Karl Gegenfurtner at the 27th ICVS Symposium, to be held in Ljubljana, Slovenia from July 5-9, 2024.

We are pleased to announce that the proceedings of the 2024 ICVS symposium will once more be published as a feature issue of JOSA A.
Click the link below to see the full call for papers.
https://opg.optica.org/josaa/journal/josaa/feature_announce/cv2025.cfm
Click the link below to see the full call for papers.
https://opg.optica.org/josaa/journal/josaa/feature_announce/cv2025.cfm