1. 1. Autodesk Inventor software, available here https://www.asidek.es/industria-y-fabricacion-2/autodeskinventor/
2. 2. Dabian, Derrick André C., and Fernando Yaacoy Peña Moyano. "Prevalence and causes of blindness and visual impairment in Colombia". Science and Technology for Visual and Ocular Health, vol. 18, no. 2, July-Dec. 2020, pp. 21+., Gale OneFile: Academic Report. Retrieved February 6, 2022
3. 3. GBVI - Country Estimates of Distance Vision Loss - IAPB Vision Atlas, available here https://www.iapb.org/learn/visionatlas/magnitude-and-projections/countries/colombia/ [Accessed February 4, 2022]
4. 4. Global Sky Partners Program, LCO, available here https://lco.global/education/partners/
5. 5. Resnikoff, Serge & Pascolini, Donatella & Etya'ale, Daniel & Kocur, Ivo & Pararajasegaram , Ramachandra & Pokharel, Gopal & Mariotti, Silvio. (2004). Global data on visual impairment in the year 2002. Bulletin of the World Health Organization. 82. 844-51.10.1590/S0042-96862004001100009