When I came through the door, Mateo looked up from the lab's single microscope.

"Scarce resources are simply not being spent properly," Dr. Sriharan concluded, citing a shortage of nurses and anesthesiologists in the hospital where the single microscope available is old and breaking down.

You can buy three of these for the cost of something from Nikon, and you can put them in traveling clinics to provide point-of-care diagnostics to a much larger number of people compared to a single microscope at a fixed facility.