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34ARTIGO ORIGINAL
E-learning as a complement to presential
teaching of blindness prevention:
a randomized clinical trial
‘E-learning’ como um complemento do ensino
presencial de prevenção da cegueira: ensaio clínico
Rodrigo Pessoa Cavalcanti Lira 1 , João Paulo Fernandes Felix 1 , Fernando Rodrigo Pedreira Chaves 1 , Enzo Augusto
Medeiros Fulco 1 , Keila Miriam Monteiro de Carvalho 1 , Anita Zimmermann 1
ABSTRACT
Objective: To investigate if E-learning material improves the basal student knowledge level before attending the presential class of
blindness prevention (BP) and if helps to fix this information one-month after the class. Methods: Fourth-year medical students were
randomly assigned to have a presential class of BP (Traditional group = TG) or to have a presential class of BP plus an additional E-
learning material (E-learning group = ELG). This material was e-mailed one week before the presential class. The students were
submitted to a multiple-choice test (with three options each) with seven questions immediately before the presential class, immediately after
the class, and one-month later. The three tests had the same questions; however, the answers options were distributed in different
sequences. The primary outcome was immediate pretest score. The secondary outcomes were immediate posttest score and one-month
posttest score. Results: Among the 120 fourth-year medical students, a random sample of 34 students was assigned to the TG and 34
students was assigned to the ELG. The two groups showed similar immediate posttest score (TG=6.8 and ELG=6.9; P