The Optics and the Brain 2023 will take place in Hyatt Regency Vancouver, Vancouver, British Columbia Canada from 24th April to 27th April 2023. The meeting brings together an international group of leading engineers, optical and medical scientists, biologists, chemists, and physicians and reflects the highly interdisciplinary area of research about the brain and nervous system. The meeting serves as a forum for discussion of existing and emerging techniques as well as future directions capable of shedding new light on the healthy and diseased brain.