This Special Issue contains new developments and advanced ideas in optical spectroscopy and imaging for their active translation to biological and clinical practice. The published manuscripts provide new insight into state-of-the-art modern methods of biomedical optics and provides new knowledge to potential readers about possible areas of their application. It highlights the advantages and unique features of using optical diagnostic technologies in the detection and analysis of lesions. The articles discuss the development and application of optical methods, expanding the current diagnostic capabilities of various diseases, and other aspects of the use of spectroscopy and imaging in biology and clinical practice.
