By leveraging the imaging contrast created in the light-matter interactions caused by laser excitation, photoacoustic remote sensing provides detailed information in real time.Parsin Haji Reza, University of WaterlooAs microscopic optical inspection techniques have progressed over the years, they have provided valuable insights into the composition, structure, and function of cells and subcellular structures, transforming the way researchers and clinicians look at human tissues. Today, thanks to the refinement of photoacoustic microscopy, clinicians and researchers can visually assess cellular-level structures and functional information to better understand cancer and inspect the inner workings of living eyes to evaluate the root causes of blinding diseases. 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