In the last Microsoft products presentation (Microsoft Key Note 2016) they left to the end (last 4 minutes) the brightest part, regarding the use of Microsoft technology developments for disabled.
There is a series of functions (API's) that Microsoft makes available to developers to create applications that make life easier for the disabled.
You have more information in Microsoft Cognitive Services
Here you have the link to the video with this particular part:
This information is also available in: Spanish