It's easy to tell the difference between a $1, $5, $10 or even $50 bill -- that is, if you can see. But, if you're blind like more than 1 million Americans, a simple shopping trip becomes a game of blind trust.
Because U.S. bills are not distinguishable by size, shape or texture, visually impaired people can't distinguish dollar amounts without assistance.
They frequently have to rely on salesclerks or nearby strangers.
But what if the clerk or stranger is dishonest? ABC News...Full Story