Mobility-impaired individuals for whom alternative input devices, such as eye-tracking or verbal, are necessary.
行动不便的用户 ——对于这类个体，必须提供其他的输入设备，例如眼球追踪技术（eye-tracking）和通过口述方式输入。
Eye-tracking could soon be coming to cell phones, allowing hands-free control of mobile devices that goes way beyond voice activation, Technology Review reports.
眼球跟踪技术很快就会应用到手机上，那时移动设备的无手控制就不仅仅是声音激活了， 技术评论报道。
Eye-tracking could soon be coming to cell phones, allowing hands-free control of mobile devices that goes way beyond voice activation, Technology Review reports.
眼球跟踪技术很快就会应用到手机上，那时移动设备的无手控制就不仅仅是声音激活了， 技术评论报道。
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