Obviously camping as close as possible would be key. Each year, Festival Republic releases new information on how disabled people and their carers can get tickets (including dedicated disabled camping) along with other useful information.
http://www.strictlyleeds.co.uk/leeds-festival-advice/885 this page will have more information for you closer to the time, please check back around the start of April
For more general information about camping, please visit the camping advice page

Do you need to
Do you need a
Do you need some