las medias de la agudeza visual cercana antes y después de la resonancia magnética fueron, respectivamente, 1.4324 ± 0.4766 m y 1.4375 ± 0.5024 m (p = 0.505).
Descriptive study of a case series that included 40 healthy and literate individuals older than 40 years, nine of them men, submitted to a procedure of head and neckmagnetic resonance imaging; all of them had near visual acuity better than 20/200 without glasses, and were not underthe effects of ansiolytic medications.Near vision was measured with the Jaeger chart before and immediately after the RM imaging procedure. Measurements were carried out by twodifferent observers; every one of them did not know the results obtained by the other.