In 2013 Lee Klein MD, Fundacion Panambi Inc. volunteer ophthalmologist joined partner Fundacion Vision staff, Lic. Zulma Diaz at Loma Plata, Chaco-Paraguay giving better sight to the indigenous indigents of the region including Ache, Ayoreo and Guarani tribes. One day of cataract surgeries at Fundacion Vision in Asuncion. 70 patients treated.