2 Answers

  1. The American company Second sight, after a successful animal test, received FDA approval and has been testing and improving the ORION bionic vision system on groups of volunteers for more than a year. This technology involves implanting electronic microchips directly inside the skull on the surface of the occipital spur sulcus of the brain, where higher-order visual analyzers are located. The image from the worldview camera located in the glasses is transmitted in a contact way, or via a connection similar to blue tus to microchips. Tests are going well, previously completely devoid of eyes, people can see, but the quality of their vision is still low for implementation in general practice. Although compared to absolute blindness, this is already a huge victory. When the system is brought to mind, vision can be restored not only with complete atrophy of the optic nerve, but even for people with complete absence of both eyes. https://www.healio.com/news/ophthalmology/20191017/blind-patients-implanted-with-orion-visual-cortical-prosthesis-system-reported-functional-improvemen

  2. It exists, but it hasn't been finalized yet. For people with such visual impairment, British scientists (not ha-ha, but real ones) developed a device with image transmission via… language. It consists of a camera, a control unit and a plate for influencing nerve endings. The resolution is minimal, people see black-and-white silhouettes, the approximate resolution is 120×60. Links are too lazy to Google, you can find them yourself.

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