Non-means-tested benefits (including employment and support allowance) Disability living allowance One route to the high rate of the mobility component is the so-called 'blind/deaf' test, where a combination of blindness and profound deafness means the claimant is unable, without assistance, to walk out of doors to an intended or required destination. To count as 'blind', rules require that the claimant is 100 per cent disabled from his/her loss of vision. How is the degree of disablement to be assessed? This decision gives an answer. •GB v Secretary of State for Work and Pensions (DLA)   [2016] UKUT 566 (AAC),   ...