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Nine-year changes in intraocular pressure: the Barbados Eye Studies
Sun-Yuh Wu1, Barbara Nemesure, Anselm Hennis
1Department of Preventive Medicine, Stony Brook University, Stony Brook, NY 11794-8036, USA. swu@notes.cc.sunysb.edu
Archives of Ophthalmology (Chicago, Ill. : 1960)
|November 15, 2006
Summary
Intraocular pressure (IOP) showed minimal change over 9 years in people of African descent. Hypertension and diabetes were linked to IOP changes, highlighting the need for managing these conditions in Black populations to reduce glaucoma risk.
Area of Science:
- Ophthalmology
- Public Health
- Epidemiology
Background:
- Intraocular pressure (IOP) is a key risk factor for glaucoma.
- Glaucoma disproportionately affects individuals of African descent.
- Longitudinal data on IOP changes in this population are limited.
Purpose of the Study:
- To investigate temporal changes in intraocular pressure (IOP) over a 9-year period.
- To identify risk factors associated with IOP changes in a population of African descent.
- To inform public health strategies for glaucoma prevention in at-risk groups.
Main Methods:
- Prospective cohort study involving 2298 participants of African descent.
- Intraocular pressure (IOP) measurements taken at baseline and over 9 years.
- Multivariate regression analysis with mixed effects to assess risk factors.
Main Results:
- Mean IOP change was small (0.4 +/- 4.0 mm Hg) over 9 years.
- IOP increases were most pronounced in individuals aged 50-59 at baseline.
- Hypertension, diabetes, male sex, and blood pressure levels/increases were associated with IOP changes (P<.05).
Conclusions:
- Minimal long-term IOP changes were observed in this African-origin cohort.
- Hypertension and diabetes are consistently linked to IOP, emphasizing their importance in glaucoma risk.
- Controlling systemic conditions like hypertension and diabetes is crucial for public health in Black populations due to high glaucoma incidence.
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