Project: Research project

Project Details


DESCRIPTION: (Applicant's Abstract) Visual impairment (VI) and disabling eye
diseases in adults can lead to serious consequences, including social
isolation, cognitive impairment, impaired functional status, increased motor
vehicle accident risk, risk of falls and fractures, and mortality.
Unfortunately, the epidemiology of vision disorders in adults remains poorly
characterized in subgroups such as minorities and those residing in lower
socioeconomic strata (SES).

The National Health Interview Survey (NHIS) is a household survey of the US
civilian population conducted annually by the National Center for Health
Statistics (NCHS). From 1986-94, demographic, health, VI and eye disease data
have been collected on over 121,000 US adults. Recently, NCHS conducted a
mortality follow-up for all individuals participating in the 1986-94 NHIS
surveys. Using this uniquely representative and large database the
Investigators will: 1) estimate the prevalence and degree of self-reported VI
and selected eye diseases in adults by age, gender, ethnicity, SES, and
geographic region; 2) compare trends over time in the prevalence of VI and
selected eye diseases in different sociodemographic subgroups; 3) estimate the
number of adults currently residing in the US with VI and selected eye diseases
by these subgroups; 4) project estimated changes in the number of Americans
with these conditions to the year 2020; 5) evaluate the health and disability
status of adults with and without VI and selected eye diseases and determine if
these associations vary in different sociodemographic subgroups; and 6)
calculate and compare the overall and cause specific mortality rates for adults
with and without VI and selected eye diseases.

This study will address three NEI research priorities outlined in Vision
Research, "A National Plan 1999-2003": 1) ascertain the prevalence (and
incidence) of VI and visual disability in the US and identify subpopulations at
heightened risk for VI and disability; 2) determine the number of Americans
with eye disease and VI and measure the impact on medical costs and costs to
society associated with these conditions; and 3) improve our understanding of
the nature and course of glaucoma, incorporating studies of co-morbidity,
natural history, and genetics, with special emphasis on Hispanic, Native
American, and African-American populations.
Effective start/end date2/1/011/31/04


  • National Eye Institute: $149,698.00
  • National Eye Institute: $151,500.00


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