1. VISION 2020: The Right to Sight
2. World Health Organization. Prevention of avoidable blindness and visual impairment. 2009. Available from http://apps.who.int/gb/ebwha/pdf_files/A62/A62_7‐en.pdf.
3. International Agency for the Prevention of Blindness. The Millennium Development Goals and Vision 2020: The Global Initiative for the Prevention of Avoidable Blindness [online]. Available from: http://www.Vision2020uk.org.uk/core_files/Int%20MDG‐v2020%20fact%20sheet%2028.04.06.doc.