249819 Demographic Analysis of the Results of Adult Vision Screening in Omaha, Nebraska

Monday, October 31, 2011

Chad Wetzel, MPH (c) , Department of Epidemiology, University of Nebraska Medical Center, Omaha, NE
Sushma Rai, MD , Department of Ophthalmology and Visual Sciences, University of Nebraska Medical Center, Omaha, NE
John Ikhena, MPH , College of Public Health, University of Nebraska Medical Center, Omaha, NE
Scott Madden , College of Medicine, University of Nebraska Medical Center, Omaha, NE
Kathryn Byrnes , Prevent Blindness Nebraska, Omaha, NE
Lina Lander, ScD , Department of Epidemiology, University of Nebraska Medical Center, Omaha, NE
Background: Visual impairment and blindness affects approximately 3.3 million U.S. adults 40 years and older. The primary causes include diabetic retinopathy and glaucoma. Glaucoma affects over 4 million Americans and 4.3% of the population in Nebraska. In Nebraska, 20% of the 103,000 diabetics have diabetic retinopathy. This study examined the relationship between risk factors such as diabetes, family history of glaucoma, age, and ethnicity to performance on adult vision screening (AVS). Methods: Retrospective review of AVS forms that were utilized to screen subjects who volunteered to participate in the screenings. All subjects 19 years or older underwent a vision screening performed by trained Prevent Blindness volunteers. Chi-square and t-tests were run in PASW 18.0 to analyze the data. Results: 72.7% of diabetic subjects failed the vision screening, creating a statistically significant relationship (r=17.62, p<0.05) compared to non-diabetic subjects. Family history of glaucoma was not significantly associated with subject outcomes. 77% of the Latino population and 65% of participants older than 64 years failed vision test; however, these relationships did not produce significant results. Conclusions: Diabetes is a significant risk factor for developing low visual acuity, occurring in 73% of diabetics tested. Also, age greater than 64 years and the Latino population showed a slight increase in prevalence of low visual acuity, indicating the importance of vision screenings in these populations. Currently, a family history of glaucoma, age greater than 64 years, and a Latino background did not result in statistically significant values due to the small size of the cohort

Learning Areas:
Administer health education strategies, interventions and programs
Public health or related research

Learning Objectives:
Evaluate the differences in demographics of participants who pass or fail the vision screenings conducted by Prevent Blindness Nebraska. Identify the risk factors associated with glaucoma and diabetic retinopathy in the adult population in Nebraska.

Keywords: Vision Care, Epidemiology

Presenting author's disclosure statement:

Qualified on the content I am responsible for because: I worked on the data collection and data analysis of this project.
Any relevant financial relationships? No

I agree to comply with the American Public Health Association Conflict of Interest and Commercial Support Guidelines, and to disclose to the participants any off-label or experimental uses of a commercial product or service discussed in my presentation.