Blindness In The UK - Prevalence - Vision UK
We emphasize the need to thoroughly test all questions before use in ..... Based
on VA in better eye after best correction for refractive error ..... On the sift
questions, people were categorised as partially sighted for S6-S8, Blind at least
S1-S5, and ...... years newly diagnosed with severe visual impairment or
blindness (SVI/BL, ...