Global Optical Imaging System Market By Type (Photoacoustic Tomography , Optical Coherence Tomography , Hyperspectral Imaging , and Near-infrared Spectroscopy), By Application (Research & Diagnostic Laboratories , Hospitals & Clinics , and Pharmaceutical & Biotechnology Companies), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028