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Pseudoexfoliation: normative data and associations: the Beijing eye study 2011.

Qi Sheng You¹, Liang Xu, Ya Xing Wang

¹Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital University of Medical Science, Beijing, China.

|April 30, 2013

Summary

The prevalence of pseudoexfoliation syndrome (PEX) in individuals aged 50 and older in North China was 5.82%. PEX was associated with older age, shorter axial length, and shallower anterior chamber.

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Area of Science:

Ophthalmology
Public Health
Epidemiology

Background:

Pseudoexfoliation syndrome (PEX) is a condition that can affect vision.
Understanding its prevalence and associated factors is crucial for eye health management.

Purpose of the Study:

To determine the prevalence of pseudoexfoliation syndrome (PEX) in a population-based cohort in North China.
To investigate the associations between PEX and various demographic and clinical factors.

Main Methods:

A population-based, cross-sectional study was conducted.
3,468 individuals aged 50 years and older underwent detailed ophthalmologic examinations, including slit-lamp biomicroscopy for PEX assessment.
Multivariate analysis was used to identify associations.

Main Results:

The overall prevalence of PEX (definite and suspected) was 5.82% in participants aged 50 and older.
Prevalence increased with age, reaching 11.8% in those 80 years and older.
PEX was significantly associated with older age, shorter axial length, and shallower anterior chamber.

Conclusions:

The prevalence of PEX in this North Chinese population is 5.82%.
Older age, shorter axial length, and shallower anterior chamber are identified as significant associations.
Further research is needed to clarify the relationship between PEX and glaucomatous optic neuropathy.