Ocular Biomarkers for Alzheimer's Disease and Vascular Cognitive Impairment
Author Information
Author(s): Zi Jin, Xuhui Chen, Chunxia Jiang, Ximeng Feng, Kun Shang, Jinying Li, Qiushi Ren, Chuanqing Zhou
Primary Institution: Wenzhou Medical University
Hypothesis
Can multimodal imaging of the eye help differentiate between Alzheimer's disease and vascular cognitive impairment?
Conclusion
Multimodal ophthalmic imaging can potentially be used as a screening tool for detecting Alzheimer's disease and vascular cognitive impairment.
Supporting Evidence
- Both AD and VCI patients showed abnormal pupillary light reactions.
- AD patients had increased retinal reflectance at 548 nm compared to controls.
- VCI patients exhibited significant changes in retinal hemodynamics.
Takeaway
Doctors can look at your eyes to find clues about brain diseases like Alzheimer's and vascular cognitive impairment.
Methodology
Patients underwent neuropsychological and neuroimaging examinations, followed by custom-built multimodal ophthalmic imaging.
Potential Biases
Potential bias due to the exclusion of patients with ocular diseases and the recruitment of healthy subjects from hospitals.
Limitations
The sample size is small, and patients with known ocular diseases were excluded.
Participant Demographics
Included 19 patients with Alzheimer's disease, 24 patients with vascular cognitive impairment, and 37 cognitively healthy individuals.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website