Guest: David Shafran, EyeNetra founder claims to be able to accurately measure refractive error and take a distance PD with a smart phone.  Their web site says they’ve already done this about 21,000 times with accuracy that mirrors a top quality auto-refractor.

Listen to their COO and Founder, David Schafran talk about this technology.

Listen to the Show 

Date: Wednesday, May 28, 2014