LEARNING EFFECT IN FREQUENCY DOU-BLING PERIMETRY AS A FUNCTION OF AGE PERIMETRIC EXPERIENCE AND THE PRESENCE OR ABSENCE OF GLAUCOMA

Purpose: To clarify the discrepancy found in literature about a possible learning effect in frequency doubling perimetry (FDT) by measuring the learning effect in a large group of subjects of various ages, with and without perimetric experience, and with and without glaucoma Methods: Two FDT measurements were performed in three groups: young normals without perimeric experience (group I, n =26), aged normals without perimetric ex-