The International Commission on Illumination, also known as the CIE from its French title, the Commission Internationale de l’Éclairage, is devoted to worldwide cooperation and the exchange of information on all matters relating to the science and art of light and lighting, color and vision, outdoor and indoor lighting and design, photobiology, and image technology. Learn more about CIE.

We are committed to advancing scientific knowledge and making it accessible to all. Every two years, we host scientific conferences that bring together experts from around the world. In our dedication to open access, we offer free access to the conference proceedings and other essential resources, ensuring that the latest research and developments are available to everyone.

In addition to our biennial conferences, CIE organizes symposia, workshops, and training sessions that are both practice-based and learning-oriented. These events are designed to support ongoing education and application in the field, with a focus on CIE publications and their practical relevance.

Stay up-to-date with our latest events, publications, and news by subscribing to our newsletter. Join us in exploring the science and art of light and lighting, and be a part of a global community dedicated to innovation and excellence.