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  • Which factors predispose to pingecula development in a rural Chinese population?

Which factors predispose to pingecula development in a rural Chinese population?
Reviewed by Jonathan C P Roos

1 June 2015 | Jonathan CP Roos | EYE - Oculoplastic, EYE - Orbit

The authors report a cross-sectional study which aimed to determine the prevalence and risk factors for developing pingecula in a rural Chinese population near Shanghai. Nine hundred and fifty-nine persons were recruited from a single village and asked to complete a questionnaire detailing their medical and social history and were then examined by slit-lamp to determine whether pingecula were present. The prevalence was high with 75% of patients being found to have pingecula. Next the authors performed regression analysis to determine whether sex, educational attainment, smoking, alcohol consumption, tear break-up time, age or sunlight exposure might be associated with an increased risk of pingecula formation. Only the last two were found to be statistically associated (age p<0.002) and sunlight (more than two hours per day p<0.001). 

Prevalence and associated factors of pinguecula in a rural population in Shanghai, Eastern China.
Le Q, Xiang J, Cui X, et al.
OPHTHALMIC EPIDEMIOLOGY
2015;22(2):130-8
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Jonathan Roos
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Jonathan CP Roos

Harvard, Cambridge & Moorfields-trained Consultant Oculoplastic Surgeon and academic based in London at www.FaceRestoration.com. Publishes in the world’s leading medical journals and lectures internationally on aesthetics, eyelid diseases and thyroid eyes.

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