1. WHO, Country Health Indicators: Vietnam (2003). 
2. UNDP, Human Development Report, Country Sheet: Vietnam (2003). 
3. Ibid. 
4. WHO, Country Health Indicators: Vietnam (2003). 
5. UNDP, Human Development Report, Country Sheet: Vietnam (2003).
6. Ibid. 
7. E-mail correspondence, Thinh Nguyen, country program director of ORBIS Vietnam, Oct. 27, 2006.
8. Ibid.
9. UNDP, Human Development Report, Country Sheet: Vietnam (2003).
10. WHO, Country Health Indicators: Vietnam (2003). 
11.Ibid.
12. S. Resnikoff, D. Pascolini, D Eyta’ale, I. Kocur, R. Pararajasegaram, G. Pokharel, S. Mariotti, Bulletin of the World Health Organization (2004), “Global Data on Visual Impairment in the Year 2002” 82:11. This number was estimated based on population surveys from all Western Pacific Region countries in the same mortality stratum as Vietnam.
13. 0.8% of total population.
14. S. Resnikoff, et al. 
15. 1.9% of total population.
16. S. Resnikoff, et al. 
17. Ibid.
18. C. Gilbert and A. Foster, Bulletin of the World Health Organization (2001), “Childhood Blindness in the Context of VISION 2020 – The Right to Sight,” 79:3.
19. Neither the WHO VISION 2020 Profile for Vietnam nor the WHO, IAPB, VISION 2020 State of the World’s Sight document have data on number of ophthalmologists or number of ophthalmologists per million population.
20. Ibid.