The bionic eyes in the news reminded me of Dan Sylveste's (from Revelation Space by Alastair Reynolds). Hopefully they won't have all the neat gadgets Sylveste built into them.
I wonder at what point technologies like this will offer benefits to those that use them over those that don't. Maybe in fifty years there will be people who choose to replace their natural retinas with artificial ones that can wirelessly communicate with any of the millions of microscopic cameras that will saturate our environment at that time.
Some of my favourite futuristic images from the olden-days have been put in the public domain! Whee! These are beautiful images. Donald Davis was commissioned to paint these by NASA in thr 1970s.