Relationship between practices of eye protection against solar ultraviolet radiation and cataract in a rural area

Li-Ju Chen, Yun-Jau Chang, Chun-Fu Shieh, Jy-Haw Yu and Ming-Chin Yang

PLOS ONE, 2021, vol. 16, issue 7, 1-12

Abstract: Background: Cataract is a public health concern worldwide that differentially affects rural residents of outlying islands where ultraviolet radiation (UVR) may have greater penetration because of less shading. Objectives: To assess the relationships between attitudes and practices of eye protection and eye diseases for residents of an offshore island of Taiwan. Methods: Questionnaire survey was administered to local residents (age > 50 years) regarding socio-demographic information, attitudes/practices of eye protection under sun exposure and eye diseases. Results: A total of 816 participants (response rate 90.7%, 816/900) completed the questionnaires. Mean age was 63.7 (+ 10.8) years. Among these participants, 44.4%, 15.1% and 8.3% had cataract, dry eye and glaucoma, respectively. Although 86.3% and 88.2% of participants agreed that they should avoid outdoor activities and wear glasses/broad-brimmed hats in harsh daylight, 69.4% and 48.3% of participants never/rarely used glasses or hats/umbrellas in harsh daylight, respectively. Predictors of less practices of eye protection against solar UVR included residents who were male, with lower education level, with longer residence and lack of commercial health insurance. Multivariate logistic regression revealed that practices of eye protection under sun exposure were significantly associated with less cataract, but not glaucoma or dry eye. Participants who did not wear glasses, broad-brimmed hats/use umbrellas or both in harsh sunlight (almost) every time were respectively associated with a 57% (P = 0.028), 45% (P = 0.027) or 70% (P = 0.026) increase of cataract than those who did in harsh sunlight (almost) every time. Conclusions: Practices of eye protection under sun exposure is associated with lower risk of cataract.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0255136

DOI: 10.1371/journal.pone.0255136

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