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Fotis Topouzis, M Roy Wilson, Alon Harris, Panayiota Founti, Fei Yu, Theofanis Pappas, Eleftherios Anastasopoulos, Angeliki Salonikiou, Vassilis Kilintzis, Anne L Coleman; Twelve years incidence of open-angle glaucoma in the Thessaloniki Eye Study. Invest. Ophthalmol. Vis. Sci. 201657(12):.
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To determine incidence rates of open-angle glaucoma (OAG), including primary open-angle glaucoma (POAG) and pseudoexfoliative glaucoma (PEXG), in the Thessaloniki Eye Study (TES) population.
This is a population-based incidence study. A total of 2554 randomly selected, Caucasian subjects, ≥60 years old participated in the TES prevalence study between 1999 and 2002. Participants were re-invited to undergo a comprehensive ophthalmic examination during the incidence study between 2013 and 2015. Definitions for OAG, POAG and PEXG in the incidence study were the same as in the prevalence study (Topouzis F, et al. Prevalence of open-angle glaucoma in Greece: the Thessaloniki Eye Study. Am J Ophthalmol. 2007;144:511-9).
Among 2554 subjects who participated in the TES prevalence study, 1041 were deceased, 25 had moved and for 20 subjects no contact information was available. The remaining 1468 subjects for whom contact data were confirmed were deemed eligible to participate in the incidence study. All of the 1468 subjects were invited and 1092 were examined (participation rate 74.4%). The mean age at baseline was 68.9 ± 4.6 years with 566 males (51.8%) and 526 (48.8%) females. The mean follow-up time was 11.6 ± 1.6 years.Among the 1092 participants, 45 subjects had been already diagnosed with OAG at baseline, leaving a total of 1047 participants at risk for OAG in the incidence study. Among them, there were 46 incident cases of OAG (30 males and 16 females, 65.2% and 34.8% respectively), corresponding to an incidence rate of 4.4%. Among these 46 incident cases of OAG, 22 were POAG and 24 were PEXG, corresponding to incident rates of 2.1% and 2.3% respectively.
In the TES population the twelve-year incidence rate for OAG is 4.4%, which appears to be higher than the 5 year OAG incidence rate reported by Rotterdam when extrapolated to the 12-year incidence. (de Voogd S, et al. Incidence of open-angle glaucoma in a general elderly population: the Rotterdam Study. Ophthalmology. 2005;112:1487-93).
This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.
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