Epidemiological Study of Visual Functions – Refractive Errors, Macular Degeneration and Glaucoma in Children in the Karst Area of Opatija
Authors of earlier studies examined the epidemiological characteristics of certain eye diseases: age-related macular degeneration (AMD), refractive errors and glaucoma in the area of Primorsko-goranska County (the island of Rab, Novi Vinodolski and Delnice). It was found that the occurrence of AMD is most common on the island of Rab, followed by Novi Vinodolski and it is least common in Gorski Kotar. This fact is associated with the intensity of solar radiation in the UV-A and UV-B fields. The highest percentage of the occurrence of glaucoma was also identified on the island of Rab. In comparison to this study, it was found that in the karst area of Opatija (Mune, Brgud, Žejane, Brešca, Zvoneće, Pasjak, Šapjane and Zaluki) there is a very high incidence of glaucoma (27% suspected and 7% diagnosed glaucoma) within the indigenous population. Glaucoma does not appear among children whose parents migrated to the karst area of Opatija. Refractive errors are far less common among children of indigenous population than among the children whose parents migrated to this area. The occurrence of AMD was not found in any child that was born and lives in this area, regardless of whether their parents are indigenous or not. This statement is very important because it confirms author's earlier statement which claims that at low exposure to solar UV-A and UV-B there is no occurrence of AMD.
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