Moreover, some applications designed specifically for people who have visual impairments help them identify colors, currency, labels, and even objects. Texting, sending quick emails, making phone calls, looking up tomorrow’s weather, catching up on the latest news headlines, setting reminders and alerts for ourselves - we all appreciate the quick access to these when we’re on the go. People who are blind or have low vision rely on touchscreen mobile devices for the same reasons sighted people do: portability and on-the-go convenience. Mobile Devices Are Convenient for Everyone Do you move your finger left or right? Trick question - the correct answer is that you give up and use the dictation tool, because it will take you forever to type the phrase “extension cord”. You’re in the search box and you’re aiming for the letter X, but the screen reader tells you that your finger has landed on C. For example, imagine you can’t see the screen and you want to search for an extension cord online. But, because there is no haptic feedback on on-screen keyboards, when you can’t see the keys at all it’s much more difficult. Normally, I type fast and can even type without constantly looking at the keys.
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Having the screen off also tested my recall ability, especially when typing. At one point, I accidentally activated my browser’s settings menu and couldn’t, for the life of me, figure out what had happened. I had to wait for the reader to announce something interesting, or slide my finger across the screen and hope to hear the keywords that I wanted. I was impatient that I couldn’t quickly glance down to see what else was on the screen.
The iPhone’s built-in screen reader, VoiceOver, is available from the Accessibility menu in the phone’s General settings.Īs a sighted person unaccustomed to using a screen reader, relying only on spoken words to interact with my phone quickly became exhausting. But I’d never taken the plunge to use the web or applications with the screen off. Before the conference, I had tried out my phone’s built-in screen reader a few times, mostly as a way to have long articles read aloud to me. They wore headphones as they listened to screen readers speak the text on their screens. That first day, in a hotel conference room, I was struck by the number of people attentively tapping, typing, and swiping on their touchscreen phones and tablets, with the screens turned off. To be honest, I hadn’t until I attended a conference on accessible technologies. Not many designers, developers, and UX professionals have had the occasion to dive in and learn about how people who are blind or have low vision use touchscreens.
Wrong: it is not impossible, and it definitely is worth the effort to make touchscreen designs accessible, particularly since touch is the interaction modality for all modern mobile devices. And if it’s impossible, then you don’t need to try. A first reaction might be, if users can’t see the screen, how can they know where to touch? It might seem impossible to design touch-driven interfaces for vision-impaired users.
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