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2. GPS for the visually impaired - Wikipedia

   en.wikipedia.org/wiki/GPS_for_the_visually_impaired

   Ariadne GPS, developed by Luca Giovanni Ciaffoni, was released in June 2011 and was one of the first GPS apps specifically designed for blind and visually impaired users. It is based on Google map data and has the following features: Informing the user about their location on request and in configurable intervals.

3. Eye tracking - Wikipedia

   en.wikipedia.org/wiki/Eye_tracking

   Scientists track eye movements in glaucoma patients to check vision impairment while driving. Eye tracking is the process of measuring either the point of gaze (where one is looking) or the motion of an eye relative to the head. An eye tracker is a device for measuring eye positions and eye movement. Eye trackers are used in research on the ...

4. Bioptics (device) - Wikipedia

   en.wikipedia.org/wiki/Bioptics_(device)

   Bioptics (device) Bioptics, also known as a bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision -enhancement lenses. They magnify between two and six times, and are used to improve distance vision for those with severely impaired eyesight, especially those with albinism.

5. 10 Great Sites to Buy Cheap Eyeglasses Online - AOL

   www.aol.com/10-great-sites-buy-cheap-140036394.html

   Here are 10 affordable places to buy your next pair of cheap prescription glasses online. 1. Warby Parker. If you’re looking for a lot of choice (and the modern convenience of trying on eyeglass ...

6. Turn-by-turn navigation - Wikipedia

   en.wikipedia.org/wiki/Turn-by-turn_navigation

   Navit turn-by-turn navigation. Turn-by-turn navigation is a feature of some satellite navigation devices where directions for a selected route are continually presented to the user in the form of spoken or visual instructions. [1] The system keeps the user up-to-date about the best route to the destination, and is often updated according to ...

7. Google Maps - Wikipedia

   en.wikipedia.org/wiki/Google_Maps

   Google Maps' location tracking is regarded by some as a threat to users' privacy, with Dylan Tweney of VentureBeat writing in August 2014 that "Google is probably logging your location, step by step, via Google Maps", and linked users to Google's location history map, which "lets you see the path you've traced for any given day that your ...