According to the World Health Organization, an estimated 253 million people live with vision impairment across the globe. 36 million are blind and 217 million have moderate to severe vision impairment.
As of 2014, there are around 360,000 people registered as blind or partially sighted in the UK. But these are just the people who are registered. According to the RNIB the figure doesn’t take into account, “those who are waiting for treatment, those whose sight could be improved, those who have not registered for whatever reason and people whose sight loss is not at a level that allows them to register.”
RNIB estimates that a truer figure is roughly two million people living with significant sight loss in the UK.
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In November 2016, Gov.uk published the results of their assistive technology survey, in which the Government Digital Service asked 712 users about what devices, web browsers and assistive technology they used to access GOV.UK.
These are the results:
- Screen magnifier 30%
- Screen reader 29%
- Speech recognition 18%
- Readability 15%
- Other 8%
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Do you run user testing with blind and partially sighted people? If so, what are the most common issues they find navigating the web?
Andreas: Yes, we run user testing with blind and partially sighted people. Here are some of the more frequent problems found by blind users:
- Areas not accessible via the screen reader
- Page content not structured with headings
- Headings do not follow logical sequence
- Images without alternative text
- Inputs without associated labels
- Links without accessible description
- Buttons without accessible description
- Interactive elements not properly marked using the appropriate HTML element
- We often find that the problems reported by blind and partially sighted people differ a lot.
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