Tesco Extra, in Abbots Ripton Road, has donated £1,000 to the charity, which helps hundreds of blind and visually impaired people in the district. Tanya Forster, fundraising co-ordinator, said: Tesco have been fantastic with us. To get a donation like this is amazing and has left us overwhelmed. The donation, organised by Tesco Extra Huntingdon community champion Alyce Barber, is to be used to help fund an extension to the charitys base in St Marys Street. Tesco store manager, Guy Schwabe, said: Huntingdonshire Society for the Blind has a membership of 600 and is growing rapidly. It relies on the help of 200 volunteers and we are delighted to be able to support them in this way. The store handed over the cheque as part of its commitment to help community groups and organisations.