9 computer software for use in conducting cell-based analysis and screening by light optical methods; computer instrumentation, namely, controllers for driving scanning hardware for use in conducting cell-based analysis by light optical methods; optical components for use in conducting cell-based analysis by light optical methods, namely, light microscope optics, optical detectors, filter wheels and sliders, shutters and diaphragms, motorized mounts, arc lamps, and CCD cameras; laboratory equipment, namely, fluid handling chambers and environmental control chambers for use in conducting cell-based analysis by light optical methods