Almost 2 million people live with vision loss in the UK, out of which around 360,000 are registered as blind or partially sighted as reported by National Health Services UK. Legal blindness may fall in between the mentioned categories i.e. visual acuity between 3/60 and 6/60 with reduced field of view (tunnel vision), visual acuity less than 3/60 with a full visual field, or visual acuity 6/60 or above with severe reduction of field of vision.
