Mocci, Francesco and Sechi, Gian Filippo and Bardino, Rita (2004) Alterazioni visive ed esposizione a solventi organici a basse concentrazioni: studio attraverso l’utilizzo del Functional acuity contrast test (FACT). Giornale italiano di medicina del lavoro ed ergonomia, Vol. 26 (4/suppl.), p. 83-84. ISSN 0391-9889. Article.
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The objective of the present study was to compare near contrast sensitivity measured by FACT (Functional Acuity Contrast Test) in 110 workers exposed to a mixture of solvents during the shiftwork and after a prolonged absence from work for a vacancy. Paired comparisons (Signed-rank Wilcoxon test) revealed that the subjects had significantly lower contrast sensitivity to 6, 12 and 18 Hz (P<0.001) during the exposure period, which was associated (GLM for repeated measures) owith the years of work (F=3.22; d.f.=3.102; P=0.04), specially when years >20 (F=12.04; d.f.=3.102; P<0.001). These findings offer a positive indication as to the usefullness of this test to study the efficiency of the neuro-optical structures in the periodic medical controls in subjects exposed to neurotoxic solvents.
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