1. Resnikoff S, Pascolini D, Mariotti S, Pokharel G: Global magnitude of visual impairment caused by uncorrected refractive errors in 2004. Bull World Health Organ. 2008, 86 (1): 63-70. 10.2471/BLT.07.041210.
2. World Health Organization: Prevention of Blindness and Visual Impairment - Priority Eye Diseases. [
http://www.who.int/blindness/causes/priority/en/index4.html
] (Date last accessed 20 September 2014)
3. Holden B, Resnikoff S: The role of optometry in VISION 2020. Community Eye Health J. 2002, 15 (44): 60-61.
4. Dandona R, Dandona L: Refractive error blindness. Bull World Health Organ. 2001, 79 (3): 237-243.
5. Ministério Da Saúde (MISAU): Mozambican National Plan for Ophthalmology 2007 – 2010. 2007, Maputo, República de Moçambique: Ministério Da Saúde, Av. Eduardo Mondlane/Salvador Allende N° 1008, Bairro Central, C.P. 264