Your own eyes uses many neurons to transport the images to your brain where it is processed. Neurons may be hacked so blind persons can see through a device.

Your own eyes uses many neurons to transport the images to your brain where it is processed. Neurons may be hacked so blind persons can see through a device. The abstraction is more easily done by placing a screen in front of the eye so no invasive surgery is needed while images from far away cameras can be presented to the brain. Disclaimer: I don't believe in metaverse and do not work for meta.