ChromeVox

The ChromeVox (Classic) screen reader is an extension to Chrome that brings the speed, versatility, and security of Chrome to visually impaired users.
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ChromeVox is a service which is provided by google especially for impaired person who have low eye sight. ChromeVox is a chrome screen reader extension which allow that kind of users to surf internet easily with synthesized speech.
ChromeVox extension contain tutorial through which user can easily learn that how to use this service.