The guest editors introduce a feature issue containing papers based on research presented at the BODA 2013 meeting.
Keywords: (110.0110) Imaging systems; (120.0120) Instrumentation, measurement, and metrology; (170.0170) Medical optics and biotechnology; (180.0180) Microscopy; (220.0220) Optical design and fabrication; (230.0230) Optical devices; (330.0330) Vision, color, and visual optics.