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Updated: May 4, 2026

Using Retinal Imaging to Study Dementia
Published on: November 6, 2017
Cognitive dysfunction and age-related macular degeneration.
Luca Rozzini1, Maddalena Riva, Nausica Ghilardi
11Department of Neurology, University of Brescia, Brescia, Italy.
Patients with late-stage age-related macular degeneration (AMD) show impaired cognitive function, particularly in memory. The dry form of AMD is linked to deficits in executive functions, suggesting a higher risk for dementia.
Area of Science:
- Ophthalmology
- Neurology
- Gerontology
Background:
- Age-related macular degeneration (AMD) and Alzheimer's disease (AD) share risk factors and pathological changes.
- Epidemiological studies suggest a link between AMD and cognitive decline.
Purpose of the Study:
- To investigate the association between late-stage AMD and cognitive function.
- To compare the neuropsychological profiles of patients with AMD and healthy controls.
Main Methods:
- Neuropsychological assessments were conducted on 51 patients with late-stage AMD and 24 controls.
- Cognitive function, including memory and executive functions, was evaluated.
Main Results:
- Patients with late-stage AMD exhibited poorer global cognitive function compared to controls.
- AMD patients showed significant deficits in memory tasks.
- The dry form of AMD was associated with impairments in executive functions, in addition to memory.
Conclusions:
- The findings support a potential association between AMD and cognitive impairment.
- Individuals with the dry form of AMD may face an elevated risk of developing dementia.
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