Wow, that's pretty cool. One of the things I worked on a couple companies back was this: https://www.centervue.com/products/compass/ https://www.centervue.com/

Wow, that's pretty cool. One of the things I worked on a couple companies back was this: https://www.centervue.com/products/compass/ https://www.centervue.com/products/compass/ which is a system used to measure how much people are losing their vision from things like macular degeneration.