Help and frequently asked questions

What does partial sight mean?

Answer: 

The definition of partial sight varies from country to country. In the UK, the legal definition of partial sight is 'substantially and permanently handicapped by defective vision caused by a congenital defect, illness or injury' The optical profession has defined this definition further by using a value that can be measured by standard tests: A visual acuity of 3/60 to 6/60 with full visual field (breadth of vision), or 6/24 or worse, with moderate visual field, or 6/18 or better with very reduced visual field (breadth of vision). 

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