"Google is testing a version of its popular search engine that would allow those with vision problems to more easily use the site. Called Accessible Search, the page is different from normal Google Web search in that it also evaluates site usability in ranking results..."
http://www.betanews.com/article/Goog...age/1153424136
Also don't miss our article about this issue too:
Accessible Web Search for the Visually Impaired.
Don't tell me now, that Google does not care about Web Standards. :)