(AGI) Rome, June 18 - Glaucoma is one of the three major causesof blindness in the Western world, both in absolute and legalterms. It is usually triggered by a rise in intraocularpressure which, over time, leads to permanent vision loss bydamaging the optic nerve and progressively reducing the visualfield. Three percent of the population over 40 years of age hasglaucoma. Giorgio Marchini, director of the eye clinic at theUniversity of Verona and an organizer of the glaucoma congressin the city convening experts in the field, said: "Anepidemiological study conducted in Italy at the end of the 90sreported that 73 percent of the people affected did not knowthey had the condition. Glaucoma has a relevant social impactand prevention plays a major role. Educating individuals over40 years of age on the need to undergo a periodicophthalmological visit every 1-2 years, including measuringpressure parameters and an examination of the optic nerve,would enable the treatment to be more effective and wouldimpact public health resources significantly.". .