Since certain visual tests have demonstrated sensitivity to acquired visual dysfunctions induced by neurointoxication, is reasonable, to suggest their use in activities of precocious diagnosis of the diseases associated to this poisoning. A descriptive study was realised of cuts that it allowed to demonstrate the association between dischromatopsis and the nicotine consumption. The evaluation of the chromatic vision 1 Optometra, Magister en Administracion de Salud, Magister Science en Educacion, Especialista en Formulacion y evaluacion de proyectos de investigacion social. 2 Optometra, Magister en Administracion de Salud. 3 Optometra, Especialista en Diagnostico diferencial en cuidado primario ocular.