Never ceases to amaze me when I break a new layer of the onion, how paper thin the walls look from the outside.
That's why we be peeling onions.
Nano Retina, developer of the NR600, an artificial retina device that mimics the natural physiological processes of the human eye and restores functional vision to persons blinded by retinal degenerative diseases, reported preliminary results for first-in-human implantations of its artificial retina device.
https://eyewire.news/articles/nano-retina-announces-preliminary-results-for-first-in-human-implantation-of-its-nr600-artificial-retina-device/?c4src=article:infinite-scroll