Facts about the World Vision Health

Here are a few of the key points from a World Health Organization's analysis:

• Some284 million people are visually impaired worldwide: 39 million are blind and 245 million have low vision.
• Approximately 90% of the world's visually impaired live in developing countries.
• Globally, uncorrected refractive errors are the main cause of visual impairment but in middle and low-income countries cataracts remain the leading cause of blindness.
• The number of people visually impaired from infectious diseases has greatly reduced in the last 20 years.
• 80% of all visual impairment can be avoided or cured.