The WHO 2019 report on vision estimates that 36 million people in the world are blind and another 217 million have moderate to severe visual impairment.
The International Agency for the Prevention of Blindness states that 1.1 billion of the world’s 8 billion people suffer from visual impairment.
About 90% of people with vision impairment live in lower-income developing nations, and the likelihood of becoming blind during one’s lifetime is 10 to 15 times higher in a low-income emerging country than in a high-income country. This disparity is increasing rather than decreasing at the