Above is a great video about the struggles that blind people face when dealing with money. Because U.S. currency is a uniform size and texture people with visual impairments can not tell the difference between a 5 dollar bill and a twenty dollar bill. When in a retail environment, the visually impaired customer must trust the cashier to give them the correct amount of change. Luckily there are solutions. An iOS app call the Looktel money reader can quickly and accurately determine the denomination of money by using the device's camera. To read more about the Looktel money reader app click here.