So it's good to hear that some work is being done on precisely this area:
IBM and the researchers at the University of Dundee School of Computing (UK) and the University of Miami's Miller School of Medicine are collaborating to develop open source software technology tools to accommodate the needs of older workers to help them adapt to and remain productive in the changing workplace of the 21st century.
...
One way to support maturing workers who have age-related disabilities is to find new ways to increase their comfort level and ability to use technology.
(Via Daniweb.)