Return to Future Past: Braille CLs

Lately, posts have popped up about a digital device attached to a CL and it enables the blind to "see." It can read something like this Trefis post:

You see, a matrix of sensors designed to lie against the cornea is embedded in the lens. According to co-developer Zeeva Zelevsky, a researcher in the faculty of Engineering at Bar Ilan University in Israel, these sensors take images sent from a tiny...

PSFK.com covered the story about four months ago: see our post.