You mean I have a visual disability? Whenever I ask a large group of people whether or not they have a visual disability, very few of them answer that they do. Then I ask whether or not anyone uses any assistive technology to overcome their visual disability. Most people are unsure what I mean. Invariably, though, as I look out across the group, I see many of them, often a majority, using an assistive technology for their vision at that very moment.
"How many of you have perfect vision?" I ask. At this point, at least a couple of people catch on to what I am about to say. A voice in the audience says, "I wear glasses," "Yes," I say. "You wear glasses, and glasses are...?" "An assistive technology!" says someone in the audience, and that is exactly what they are.
http://webaim.org/articles/visual/
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