In the My Subscription section, to help you in the practice of Phosphenism, you find the following : PREMIUM Account : Technical files, Chromos and Phosphenic Energy Universes in PDF format. Price : 32 € a year. To see the To access your PREMIUM account, you will need a valid access code. Subscription is valid for 1 year. You will thus be able to read and download documents freely. To subscribe to an account, click on the icon below and go to the Nr8 Access to The Members section on the order form.