Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan.
<h4>Purpose</h4>Pterygium is an ocular surface disorder mainly caused by ultraviolet (UV) light exposure. This study explored the relationships between six cataract types with pterygium and UV exposure.<h4>Methods</h4>We have previously studied cataracts in residents of three...
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2021
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oai:doaj.org-article:1d3eeaa6a0a54bf0b94f020602ff4a382021-12-02T20:10:40ZAssociation among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan.1932-620310.1371/journal.pone.0253093https://doaj.org/article/1d3eeaa6a0a54bf0b94f020602ff4a382021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253093https://doaj.org/toc/1932-6203<h4>Purpose</h4>Pterygium is an ocular surface disorder mainly caused by ultraviolet (UV) light exposure. This study explored the relationships between six cataract types with pterygium and UV exposure.<h4>Methods</h4>We have previously studied cataracts in residents of three regions in China and Taiwan with different UV intensities. From that study, we identified 1,547 subjects with information on the presence or absence of pterygium. Pterygium severity was graded by corneal progress rate. Cataracts were graded by classification systems as three main types (cortical, nuclear, posterior subcapsular) and three subtypes (retrodots, waterclefts, fiber folds) with high prevalence in middle-aged and elderly people. We calculated the cumulative ocular UV exposure (COUV) based on subject data and National Aeronautics and Space Administration data on UV intensities and used logistic regression to calculate odds ratios for the associations of COUV, cataract, and pterygium.<h4>Results</h4>We found an overall pterygium prevalence of 23.3%, with significant variation among the three regions. Four cataract types (cortical, nuclear, posterior subcapsular, and retrodots) were significantly associated with the presence of pterygium.<h4>Conclusions</h4>There was a significant association between COUV and pterygium, indicating that COUV is associated with the risk of pterygium development and that pterygium is useful as an index of UV exposure. Furthermore, the type of cataract in eyes with pterygium may indicate the level of UV exposure.Natsuko HatsusakaNaoki YamamotoHisanori MiyashitaEri ShibuyaNorihiro MitaMai YamazakiTeppei ShibataHidetoshi IshidaYuki UkaiEri KuboHong-Ming ChengHiroshi SasakiPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0253093 (2021) |
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| topic |
Medicine R Science Q |
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Medicine R Science Q Natsuko Hatsusaka Naoki Yamamoto Hisanori Miyashita Eri Shibuya Norihiro Mita Mai Yamazaki Teppei Shibata Hidetoshi Ishida Yuki Ukai Eri Kubo Hong-Ming Cheng Hiroshi Sasaki Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan. |
| description |
<h4>Purpose</h4>Pterygium is an ocular surface disorder mainly caused by ultraviolet (UV) light exposure. This study explored the relationships between six cataract types with pterygium and UV exposure.<h4>Methods</h4>We have previously studied cataracts in residents of three regions in China and Taiwan with different UV intensities. From that study, we identified 1,547 subjects with information on the presence or absence of pterygium. Pterygium severity was graded by corneal progress rate. Cataracts were graded by classification systems as three main types (cortical, nuclear, posterior subcapsular) and three subtypes (retrodots, waterclefts, fiber folds) with high prevalence in middle-aged and elderly people. We calculated the cumulative ocular UV exposure (COUV) based on subject data and National Aeronautics and Space Administration data on UV intensities and used logistic regression to calculate odds ratios for the associations of COUV, cataract, and pterygium.<h4>Results</h4>We found an overall pterygium prevalence of 23.3%, with significant variation among the three regions. Four cataract types (cortical, nuclear, posterior subcapsular, and retrodots) were significantly associated with the presence of pterygium.<h4>Conclusions</h4>There was a significant association between COUV and pterygium, indicating that COUV is associated with the risk of pterygium development and that pterygium is useful as an index of UV exposure. Furthermore, the type of cataract in eyes with pterygium may indicate the level of UV exposure. |
| format |
article |
| author |
Natsuko Hatsusaka Naoki Yamamoto Hisanori Miyashita Eri Shibuya Norihiro Mita Mai Yamazaki Teppei Shibata Hidetoshi Ishida Yuki Ukai Eri Kubo Hong-Ming Cheng Hiroshi Sasaki |
| author_facet |
Natsuko Hatsusaka Naoki Yamamoto Hisanori Miyashita Eri Shibuya Norihiro Mita Mai Yamazaki Teppei Shibata Hidetoshi Ishida Yuki Ukai Eri Kubo Hong-Ming Cheng Hiroshi Sasaki |
| author_sort |
Natsuko Hatsusaka |
| title |
Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan. |
| title_short |
Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan. |
| title_full |
Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan. |
| title_fullStr |
Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan. |
| title_full_unstemmed |
Association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: A cross-sectional study in Han people in China and Taiwan. |
| title_sort |
association among pterygium, cataracts, and cumulative ocular ultraviolet exposure: a cross-sectional study in han people in china and taiwan. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2021 |
| url |
https://doaj.org/article/1d3eeaa6a0a54bf0b94f020602ff4a38 |
| work_keys_str_mv |
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