2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38219The OPAL experiment at LEP has performed a variety of measurements of photon-photon and electron-photon scattering at the electron-positron collider LEP to gain a deeper insight into the structure of the photon and its interactions. This review presents a summary of these results.18 pages with 20 eps files. Invited talk given at the Workshop on Photon Interactions and the Photon Structure, Lund, Sweden, September 10-13, 1998 to be published in the proceedingsHigh Energy Physics - Experimenttext