ORIGINAL RESEARCH article
Front. Med.
Sec. Ophthalmology
This article is part of the Research TopicInfluence of Ageing on the Anterior Segment Structures of the EyeView all articles
Prevalence and associated factors of uncorrected presbyopia among adults in cross-sectional Fujian Eye Study
Provisionally accepted
- 1Xiamen University Xiamen Eye Center, Xiamen, China
- 2Xiamen Science and Technology Middle School, Xiamen, China
- 3Peking University People's Hospital, Beijing, China
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Abstract Objective: With the improvement of people's living standards, the demand for eye health is no longer limited to being visible, but more importantly, being able to see clearly. The aging population has led to increasing attention on presbyopia worldwide. Our study aims to reveal the prevalence and related factors of uncorrected presbyopia among urban and rural adults over 50 years of Fujian Province Southeast China. Methods: A population-based cross-sectional study was performed to evaluate the prevalence and related factors of presbyopia among urban and rural adults over 50 years in more than 50 communities of Fujian Province Southeast China from May 2018 to October 2019. A total of 8211 residents aged over 50 years underwent a questionnaire and a series related examinations. Presenting near visual acuity (PNVA) was measured using logarithmic visual acuity chart at a distance of 40cm, and uncorrected presbyopia was defined as PNVA worse than N6. Results: Among the 8033 residents included in this study, the prevalence of uncorrected presbyopia was 68.6% (n=5509). Multivariable regression analysis identified older age, less educated, lower income, higher intraocular pressure (IOP), and higher spherical equivalent (SE) as factors independently associated with uncorrected presbyopia. In contrast, sex, height, weight, systolic blood pressure (SBP), outdoor time, phone usage (including use in the dark), history of hypertension, history of hyperlipidemia, smoking, alcohol consumption, tea consumption, and degree of urbanization showed no independent association after adjustment. Conclusions: There was a significant burden of uncorrected presbyopia in southeast China, which suggested more investment in accessible services and policy to enhance eye health especially on less educated and low income elderly with high IOP and refractive error. Although age is a significant correlate, its value in discriminating presbyopia in an individual is modest at best within this age-homogeneous population.
Keywords: Associated factor, Cross-sectional study, elderly population, Prevalence, Uncorrected presbyopia
Received: 20 Nov 2025; Accepted: 09 Feb 2026.
Copyright: © 2026 Li, Wang, Luo, Zhang, Su, Hu and Li. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Yang Li
Qinrui Hu
Xiaoxin Li
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