You are seeing this message because your Web browser does not support basic Web standards. Find out more about why this message is appearing and what you can do to make your experience on this site better.
The discovery of the ophthalmoscope in 1851 is rightly attributed to
Hermann von Helmholtz. However, 4 years earlier, in 1847, Charles Babbage
nearly invented the instrument that was to revolutionize ophthalmological
examination so dramatically.
