The International Conference on Advances in Biomedical Optical Phase Microscopy and Nanoscopy (ICABOPMN 2023) aims to bring together leading academic scientists, researchers and research scholars to exchange and share their experiences and research results on all aspects of Advances in Biomedical Optical Phase Microscopy and Nanoscopy. It also provides a premier interdisciplinary platform for researchers, practitioners, and educators to present and discuss the most recent innovations, trends, and concerns as well as practical challenges encountered and solutions adopted in the fields of Advances in Biomedical Optical Phase Microscopy and Nanoscopy.