Long-term trends in glaucoma-related blindness in Olmsted County, Minnesota.

ABSTRACT:

Objective

To determine the longitudinal trends in the probability of blindness due to open-angle glaucoma (OAG) in Olmsted County, Minnesota, from 1965 to 2009.

Design

Retrospective, population-based cohort study.

Participants

All residents of Olmsted County, Minnesota (aged ≥ 40 years) who were diagnosed with OAG between January 1, 1965, and December 31, 2000.

Methods

All available medical records of every incident case of OAG were reviewed until December 31, 2009, to identify progression to blindness, defined as visual acuity ≤ 20/200 or visual field constriction to ≤ 20°. Kaplan-Meier analysis was used to estimate the cumulative probability of glaucoma-related blindness. Population incidence of blindness within 10 years of diagnosis was calculated using US C

SUBMITTER: Malihi M 

PROVIDER: S-EPMC4038428 | biostudies-literature | 2014 Jan

REPOSITORIES: biostudies-literature