Accessible Shopping Systems for Blind and Visually Impaired Individuals: Design Requirements and the State of the Art
![Precious Perez, 18, who has been blind since birth, her cousin Janelly Matos (C) and their friend Trista Ward (L) buy candy and snacks at a convenience store before Precious' prom in Precious Perez, 18, who has been blind since birth, her cousin Janelly Matos (C) and their friend Trista Ward (L) buy candy and snacks at a convenience store before Precious' prom in](https://c8.alamy.com/comp/2E6J5KY/precious-perez-18-who-has-been-blind-since-birth-her-cousin-janelly-matos-c-and-their-friend-trista-ward-l-buy-candy-and-snacks-at-a-convenience-store-before-precious-prom-in-chelsea-massachusetts-united-states-may-21-2016-precious-perez-slipped-into-her-full-length-strapless-prom-gown-and-said-it-made-her-feel-like-storybook-royalty-an-experience-shared-by-many-of-her-peers-at-high-schools-across-the-united-states-blind-since-birth-perez-could-not-see-the-dresss-mint-green-colour-but-said-that-didnt-limit-her-ability-to-enjoy-the-formal-dance-a-common-rite-of-passage-for-a-2E6J5KY.jpg)
Precious Perez, 18, who has been blind since birth, her cousin Janelly Matos (C) and their friend Trista Ward (L) buy candy and snacks at a convenience store before Precious' prom in
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