'Smart Glasses' Help the Visually Impaired to See

The video discusses Ian, who suffers from severe tunnel vision, and a new technology developed by Oxford University and the Royal National Institute of Blind People. The smart glasses use a 3D camera to enhance vision by highlighting objects, potentially benefiting millions worldwide. Despite current challenges like size and cost, the project has received funding to improve the design, aiming for a more accessible product by 2016.

How many people in Britain are registered blind or partially sighted?

What is the target price for the smaller pairs of glasses?