“A person who is blind has a high degree of vision loss. Only about 18 per cent of blind people are totally blind – most can distinguish between light and dark.” (BBC Health).
The RNIB offer advice about supporting those in Further and Higher Education and there is the Open University Inclusive Teaching website which has a video of Alan explaining the impact it has on his life and how people can help. As the web page indicates “It is difficult to convey an impression of what a blind or partially sighted student can see but the WebAim Vision Simulator may give you an idea of how some eye conditions can affect vision over time.”
SCIPS offers a Detailed description of Visual Impairments Impacting on Learning and Teaching. It may be important to understand the impact of the use of Braille, notetaking, scanning and screen reading technologies when supporting blind students. The W3C Web Accessibility Initiative (WAI) provides a collection of resources on how people with disabilities use the web.