Visual Communication Aids (VCA) is a UK company that provides a range of tools to help improve the quality of life for people living with the devastating effects of dementia. Dementia Signage is and easy and low cost method that can provide a massive improvement to the quality of life around an environment where people with dementia live. Visual Communication Aids (VCA) is a UK company that provides a range of tools to help improve the quality of life for people living with the effects of dementia. Care home design of Signs is important, good clear signs with orientating images, clearly marking the entrances to lounges, toilets etc, should help residents with dementia find their way round a Care Home environment.