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2. Visual impairment - Wikipedia

   en.wikipedia.org/wiki/Visual_impairment

   The terms partially sighted, low vision, legally blind and totally blind are used by schools, colleges, and other educational institutions to describe students with visual impairments. [21] They are defined as follows: Partially sighted indicates some type of visual problem, with a need of person to receive special education in some cases.

3. Brainport - Wikipedia

   en.wikipedia.org/wiki/Brainport

   It was initially developed by Paul Bach-y-Rita as an aid to people's sense of balance, particularly of stroke victims. Bach-y-Rita founded Wicab in 1998. [2] [3] [4] It has also been developed for use as a visual aid, demonstrating its ability to allow a blind person to see his or her surroundings in polygonal and pixel form.

4. Hoople (mobility aid) - Wikipedia

   en.wikipedia.org/wiki/Hoople_(mobility_aid)

   A Hoople is a hoop-shaped mobility aid used by some blind and visually impaired people, and was designed to help them navigate their way over rough terrain or in a rural environment. It performs a similar role to a white cane , but is designed for use in conditions where using a white cane can be difficult, for example, in snow or on sand.

5. White cane - Wikipedia

   en.wikipedia.org/wiki/White_cane

   A long cane, the primary mobility tool for the visually impaired. A white cane is a device used by many people who are blind or visually impaired.A white cane primarily allows its user to scan their surroundings for obstacles or orientation marks, but is also helpful for onlookers in identifying the user as blind or visually impaired and taking appropriate care.

6. GPS for the visually impaired - Wikipedia

   en.wikipedia.org/wiki/GPS_for_the_visually_impaired

   When Apple introduced the iPhone 3GS in 2009, it was the first ever touch screen device accessible to the blind. iOS device usage has steadily increased among the blind and visually impaired population and numerous GPS apps targeting this user group have been developed since. [2]

7. OrCam device - Wikipedia

   en.wikipedia.org/wiki/OrCam_device

   The company develops and manufactures assistive technology devices for individuals who are visually impaired, partially sighted, blind, print disabilities, or have other disabilities. OrCam headquarters is located in Jerusalem, operating under the company name OrCam Technologies Ltd.