The journal's scope encompasses fundamental research, technology development, biomedical studies and clinical applications. BOEx focuses on the leading edge topics in the field, including:Tissue optics and spectroscopyNovel microscopiesOptical coherence tomographyDiffuse and fluorescence tomographyPhotoacoustic and multimodal imagingMolecular imaging and therapiesNanophotonic biosensingOptical biophysics/photobiologyMicrofluidic optical devicesVision research.