主题词：Photoacoustic and Ultrasonic Imaging; Optical Imaging and Spectroscopy Techniques; Spectroscopy Techniques in Biomedical and Chemical Research; Optical Coherence Tomography Applications; Advanced Fluorescence Microscopy Techniques; Nanoplatforms for cancer theranostics; Spectroscopy and Chemometric Analyses; Photodynamic Therapy Research Studies; Thermography and Photoacoustic Techniques; Non-Invasive Vital Sign Monitoring; Cell Image Analysis Techniques; Laser Applications in Dentistry and Medicine; Retinal Imaging and Analysis; Optical Polarization and Ellipsometry; Glaucoma and retinal disorders; Advanced biosensing and bioanalysis techniques; Thermoregulation and physiological responses; Gold and Silver Nanoparticles Synthesis and Applications; Advanced Chemical Sensor Technologies; Infrared Thermography in Medicine; Digital Holography and Microscopy; Photoreceptor and optogenetics research; Image Processing Techniques and Applications; Retinal Diseases and Treatments; Ultrasound and Hyperthermia Applications