A large percent of Internet surfers are visually impaired. These individuals can be blind, colour blind or not have the vision they once had. It is very important for their needs to be recognized as well.
The visually impaired also use the same online services such as online shopping, or online banking- Thus, websites and web applications need not to ignore this group of people when designing their sites.
There are many browsers that have been developed for people with disabilities. Among those are products with optical character recognition, screen magnifier, screen readers, voice recognition, speech synthesizers, etc.
An example of a site for the visually impaired:
Braillesurf :http://www.snv.jussieu.fr/inova/bs4/uk/
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