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09:29
A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
Published on: February 11, 2014
Literacy is an independent risk factor for vision impairment and poor visual functioning
Yingfeng Zheng1, Ecosse L Lamoureux, Peggy Pei-Chia Chiang
1Singapore Eye Research Institute, Singapore National Eye Centre, Singapore.
Investigative Ophthalmology & Visual Science
|August 30, 2011
Summary
Limited literacy significantly increases the risk of visual impairment and poorer visual functioning. Addressing literacy issues may help reduce health disparities in vision care.
Area of Science:
- Ophthalmology
- Public Health
- Health Literacy
Background:
- Limited literacy is a known risk factor for chronic systemic conditions.
- Understanding its impact on vision is crucial for public health initiatives.
Purpose of the Study:
- To investigate the independent contribution of limited literacy to visual impairment.
- To assess the association between literacy and visual functioning in an Asian Malay population.
Main Methods:
- Population-based, cross-sectional study of 3280 Asian Malays (≥ 40 years old).
- Visual impairment defined by logarithm of minimal angle of resolution (logMAR) visual acuity > 0.30.
- Literacy, sociodemographic data, and visual functioning (Vision-Specific Functioning Scale) were assessed via standardized interviews and validated scales.
Main Results:
- 16.9% had inadequate reading literacy; 21.0% had inadequate writing literacy.
- Inadequate reading literacy was independently associated with presenting (OR=2.66) and best-corrected (OR=2.59) visual impairment.
- Inadequate literacy also correlated with poorer visual functioning (β=0.58), even after controlling for education and income.
Conclusions:
- Limited literacy is an independent risk factor for visual impairment and reduced visual functioning.
- Interventions targeting literacy may mitigate socioeconomic disparities in vision health.
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