NuEyes developed one of the most advanced smart glasses for visual impairment people. The lightweight glasses run on Android and include features like up to 12x magnification, the ability to change the colours and contrast of what you are looking at, bar/QR code scanning and OCR (optical character recognition) to recognise and speak out print documents. They can either be operated with a wireless controller or using simple voice commands Very expensive and highly advanced but has not entered any health insurance plan by 2022. Requires the user to learn how to use.