Abstract. The MOOC of physical optics of the Morocco Digital University platform is intended mainly for students of the Moroccan universities and engineering schools. The first session took place during the period March-June 2019. This MOOC includes the physical optics program of the license in physical sciences. It contains pedagogically scripted videos, documents for integrated reading or download, audiovisual presentations of practical experiences, links to digital simulations, exercises, and evaluations. The proposed assessment is carried out in three stages. A reflexive self-assessment at the end of each video capsule. A formative/summative evaluation at the end of the week. A summative evaluation covering the entire content. Students of the Faculty of Sciences Semlalia, who followed the MOOC completely or in part, were able to improve their results of the final face-to-face exam. Learners, who have obtained an overall grade higher than 60%, can obtain a certificate of success of this MOOC issued by a national entity.