Measuring light scattering in the retina to help diagnose Alzheimer's disease

Retinal Light Scattering Measurements as a Clinical Biomarker of Alzheimer's Disease

NIH-funded research Duke University · NIH-11061023

This study is testing a new way to help diagnose Alzheimer's disease by looking at how light scatters in the eye, which could be a simpler and cheaper option than current methods like PET scans.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionDuke University NIH-funded
Lab location1 site (Durham, United States)
Project IDNIH-11061023 on NIH RePORTER

What this research studies

This research aims to develop a new diagnostic method for Alzheimer's disease (AD) by measuring light scattering in the retina. The approach utilizes a technique called angle-resolved low coherence interferometry (a/LCI), which allows for detailed analysis of the structural features of retinal layers. By identifying specific metrics that are distinct to AD, this method seeks to provide a more accurate and less expensive alternative to current diagnostic methods, such as PET imaging. The study will involve clinical measurements to assess the feasibility and effectiveness of this innovative approach.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals showing early signs of cognitive impairment or those at risk for Alzheimer's disease.

Not a fit: Patients with advanced Alzheimer's disease or those with other forms of dementia unrelated to Alzheimer's may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a more accessible and reliable method for diagnosing Alzheimer's disease at earlier stages.

How similar studies have performed: Previous research has shown promise in using retinal features as biomarkers for Alzheimer's disease, but this specific approach using a/LCI is novel.

Where this research is happening

Durham, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Alzheimer disease dementiaAlzheimer disease detectionAlzheimer disease screeningAlzheimer syndrome
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.