This paper reviews the major optical advances in 2023 by retrospecting progresses made in the fields of optical technology research,such as photophysics,optical material and structures,bio-medical optics,light-matter interaction,optoelectronics,optical design and instrumentation,optical information processing,light source and high field laser,interdisciplinary photonics,visual color,terahertz optics.It may have a great impact on human existence and life style in the future.