Reading is a very important aspect in human life. Some do this as a hobby while others do this as a way to gain knowledge & information.
It has always been a problem to a blind or visually impaired person to read a book in its original form due to the fact that books are basically printed on a plain sheet where visual interaction is essential to read its content. Therefore blind people had been deprived of the pleasure of reading books throughout history until brail had been invented.