Carrión Ojeda, C.; Gálvez Quiroz, F.; Morales de la Cruz, J.; Guevara Florián, V.; Jaramillo, R.; Gazzani Meza, M. Ametropia and Ambliopia in Students of 42 Schools of the Program “Healthful Schools” in DISA II, Lima. Peru, 2007-2008. Acta Med Peru 2009, 26, 17 - 21.