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- Title
Correlation between the presumed pterygium with dry eye and with systemic and ocular risk factors.
- Authors
Adriano, Leidiane; de Souza Persona, Etiene Lorriane; de Souza Persona, Isvander Gustavo; Nucci Pontelli, Regina Celia; Rocha, Eduardo M.
- Abstract
Objective: To estimate the epidemiology of the pterygium and its correlation with dry eye symptoms and with the potential systemic and ocular predictors. Methods: This study is a population-based, cross-sectional study in which random visits were made to the 600 households of 600 participants of age =40 years in Ribeirão Preto-SP (n=420) and Cassia dos Coqueiros-SP (n=180) in Brazil. The participants were subjected to a structured interview with a detailed questionnaire to collect information on demography and the potential risk factors. Next, random participants with pterygium (n=63) or not (n=110) were evaluated for the ocular surface changes. Results: The frequency of pterygium in Ribeirão Preto was 21% (15.7% among women and 32.1% among men; p=0.0002). In Cássia dos Coqueiros, the corresponding frequency was 19.4% (17.3% among women and 25.5% among men; p=0.28). The mean age of the affected individuals was higher than that of the unaffected ones (65.6 ± 10.5 years vs. 61.2 ± 12.0 years, p=0.02). A positive correlation was noted between pterygium and any prior radiotherapy and chemotherapy (p<0.0001, for both). A higher score on corneal fluorescein and conjunctival lissamine green staining was associated with pterygium (p=0.0003 and 0.0001, respectively). Conclusion: We noted a high frequency of pterygium in two Brazilian adult populations, mainly among the men and elderly. Ocular surface damage and a previous history of radiotherapy and/or chemotherapy were found to be associated with pterygium.
- Subjects
SAO Paulo (Brazil); PTERYGIUM; DRY eye syndromes; CASSIA (Genus); SYSTEMIC risk (Finance); FLUORESCEIN; OLDER men; OLDER people
- Publication
Arquivos Brasileiros de Oftalmologia, 2022, Vol 85, Issue 2, p136
- ISSN
0004-2749
- Publication type
Article
- DOI
10.5935/0004-2749.20220022