{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T15:57:27Z","timestamp":1779206247129,"version":"3.51.4"},"reference-count":31,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,9,30]],"date-time":"2021-09-30T00:00:00Z","timestamp":1632960000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Ophthalmologica"],"published-print":{"date-parts":[[2022,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To report the incidence and severity of reported visual impairment (VI) due to glaucoma and the changes in them during the past 40\u2009years in Finland.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A register\u2010based study, in which the data were collected from the Finnish Register of Visual Impairment between 1980 and 2019. These data included 5819 visually impaired glaucoma patients, of which 61% were female. Visual impairment (VI) was classified according to the Finnish national definitions. The number of treated glaucoma patients in Finland was calculated using glaucoma medication reimbursement data available between 1986 and 2019 from the Social Insurance Institution of Finland registers.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The incidence of reported VI due to glaucoma per 100 000 persons had increased from 2.3 in the 1980s to 3.4 in the 2010s. During the same time period, the incidence of reported VI per 10 000 treated glaucoma patients had decreased from 32 in the 1980s to 21 in the 2010s. Primary open\u2010angle glaucoma (45%) was the main subtype for reported VI due to glaucoma. During the 40\u2009years, the proportion of mild VI and the age at the onset of reported VI had increased.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The incidence of reported VI due to glaucoma has increased during the 40\u2009years, but the risk of treated glaucoma patients becoming visually impaired has decreased. Visual impairment (VI) also occurs at an older age. This is likely due to the earlier diagnoses and improved therapy. To prevent the unfavourable development of VI due to glaucoma among the ageing population in the future, all attempts need to be made to improve glaucoma care.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aos.15030","type":"journal-article","created":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T05:55:50Z","timestamp":1633067750000},"page":"534-540","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Changes in incidence and severity of visual impairment due to glaucoma during 40\u2009years \u2013 a register\u2010based study in Finland"],"prefix":"10.1111","volume":"100","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9637-2156","authenticated-orcid":false,"given":"Anu","family":"Vaajanen","sequence":"first","affiliation":[{"name":"Department of Ophthalmology University of Helsinki and Helsinki University Hospital  Helsinki Finland"},{"name":"SILK Department of Ophthalmology Faculty of Medicine and Health Technology Tampere University  Tampere Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5308-8622","authenticated-orcid":false,"given":"Petri","family":"Purola","sequence":"additional","affiliation":[{"name":"SILK Department of Ophthalmology Faculty of Medicine and Health Technology Tampere University  Tampere Finland"},{"name":"Finnish Register of Visual Impairment Finnish Federation of the Visually Impaired  Helsinki Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8723-7814","authenticated-orcid":false,"given":"Matti","family":"Ojamo","sequence":"additional","affiliation":[{"name":"Finnish Register of Visual Impairment Finnish Federation of the Visually Impaired  Helsinki Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8254-7525","authenticated-orcid":false,"given":"Mika","family":"Gissler","sequence":"additional","affiliation":[{"name":"Finnish Institute for Health and Welfare Information Services Department  Helsinki Finland"},{"name":"Academic Primary Health Care Centre  Stockholm Sweden"},{"name":"Department of Molecular Medicine and Surgery Karolinska Institute  Stockholm Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8499-8175","authenticated-orcid":false,"given":"Hannu","family":"Uusitalo","sequence":"additional","affiliation":[{"name":"SILK Department of Ophthalmology Faculty of Medicine and Health Technology Tampere University  Tampere Finland"},{"name":"Finnish Register of Visual Impairment Finnish Federation of the Visually Impaired  Helsinki Finland"},{"name":"Tays Eye Centre Tampere University Hospital  Tampere Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,9,30]]},"reference":[{"key":"e_1_2_5_2_1","unstructured":"AromaaA&KoskinenS(2004): Health and functional capacity in Finland: baseline results of the Health 2000 Health Examination Survey (in Finnish). 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