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Updated: Jan 21, 2026
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A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
Published on: February 11, 2014
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Low vision status and declining vision decrease Health-Related Quality of Life: Results from a nationwide 11-year
Joonas Taipale1, Alexandra Mikhailova2, Matti Ojamo2,3
1Faculty of Medicine and Health Technology, Department of Ophthalmology, University of Tampere, Tampere, Finland. joonas.taipale@tuni.fi.
Summary
Declining visual acuity (VA) significantly impacts health-related quality of life (HRQoL), even before severe vision loss. Early interventions can help maintain better HRQoL for adults.
Area of Science:
- Ophthalmology
- Public Health
- Health Economics
Background:
- Visual acuity (VA) is a critical determinant of an individual's overall well-being.
- Understanding the relationship between declining VA and Health-Related Quality of Life (HRQoL) is essential for public health initiatives.
Purpose of the Study:
- To investigate the impact of declining VA on HRQoL.
- To analyze cross-sectional and longitudinal HRQoL differences over an 11-year period.
- To provide data for healthcare resource allocation.
Main Methods:
- Utilized nationwide health examination surveys (2000, 2011) of Finnish adults (30+).
- Assessed VA using Snellen E test and HRQoL with EQ-5D and 15D questionnaires.
- Employed regression analyses, adjusted for comorbidities, with multiple imputations.
Main Results:
- Lower VA status correlated with significantly reduced HRQoL at both time points, particularly below VA 0.5.
- Declining VA led to a statistically significant HRQoL decline over 11 years, more pronounced for distance VA.
- 15D impairment from distance VA decline was clinically meaningful, exceeding that of comorbidities.
Conclusions:
- HRQoL is significantly impaired before severe vision loss or blindness occurs.
- Results support improving treatments to delay vision decline and preserve quality of life.
- Findings aid in prioritizing interventions for visual impairment.
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