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VISION IMPAIRMENT Computers have been made with based on peoples abilities to see clearly and their ability to discern colours. For a person with vision problems it is very hard to receive any sort of output. Since output is mainly based on the monitor and printouts which these people cant see. The only sort of output they get is touch or hearing. For input its also hard to use a mouse without seeing the screen but using a keyboard is not impossible, for more detail go here.
Input and Output Devices Especially Designed for the Sight and Dexterity Impaired.
DEXTERITY IMPAIRMENT Using Standard input devices (keyboard and mouse) is imposibble for the disabled. For output there is barely any problem, since if the person has fine sight and hearing it can use the usual output devices (monitor, speakers printouts). The problem is for these users to input information, for a list of possible devices to aleviate the problem go here
