- Royal National Institute of Blind People (RNIB) – December 2014
- Access Economics (2009) Future Sight Loss UK 1: The economic impact of partial sight and blindness.
- ONS (2012) 2011 Census: Usual resident population by single year of age, unrounded estimates, local authorities in the United Kingdom. Office for National Statistics.
Indirect sight loss costs are the sum or a variety of costs with informal care provided to blind and partially sighted people by family and friends the largest component. Other significant included costs are lower rates of employment and the cost of specialist equipment. Full details can be found in section 4.1 of the Future Sight Loss UK report produced by Access Economics which you can download as a PDF here).
Indirect cost of sight loss in a local authority was calculated as follows:
Number of people living with sight loss in the local authority/Total number of people living with sight loss in the UK x £5.3 billion