NIH-funded research NIH-funded research

Investigating blood flow changes in the retina for patients with dry macular degeneration

Official title: Exploring the implications of widespread decreases in dynamic blood flow to the retina and choroid in dry macular degeneration

Funded at Iowa City VA Medical Center · NIH-11077682 · Data updated 2026-11-12

This study is looking at how reduced blood flow in the eye affects people with dry macular degeneration, and it aims to find out who might be at risk of worsening vision so that we can explore ways to help improve blood flow and protect their sight.

More Macular Degeneration research and trials

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionIowa City VA Medical Center
NIH-funded
Lab location1 site (Iowa City, United States)
Project startMay 1, 2024
Project endApril 30, 2026
Funding year2025
NIH project number5IK1RX005029-02
Project IDNIH-11077682 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with early or intermediate stages of age-related macular degeneration.

Less likely to help

Patients with advanced stages of macular degeneration or those with other unrelated eye conditions may not benefit from this research.

What this research studies

This research focuses on understanding how decreased blood flow to the retina and choroid affects patients with dry macular degeneration, a common eye condition that can lead to vision loss. Using advanced imaging techniques like laser speckle flowgraphy and Optical Coherence Tomography Angiography, the study aims to identify patients at risk of progressing to more severe stages of the disease. By monitoring blood flow dynamics, the research seeks to inform potential interventions that could restore blood flow and prevent further vision loss.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that help preserve vision in patients with dry macular degeneration.

How similar studies have gone: Previous research has shown promising results in using imaging techniques to assess blood flow in the eye, suggesting that this approach could be effective in this context.

Where this research is happening

  • Iowa City VA Medical Center
    Iowa City, United States
    Active

Researchers

  • Principal investigator: Linton, Edward F — Iowa City VA Medical Center
  • Study coordinator: Linton, Edward F

Related research

Other NIH-funded projects on the same topics.

  • A Small Molecule PROTAC for Macular Degeneration

    A patient-friendly look at a small molecule therapy designed to target a key inflammation driver in age-related macular degeneration to help protect vision.

    NIH research University of Rochester · Rochester, United States · NIH-11564143

  • AI-powered tool to predict 2-year risk of late AMD

    A new AI software helps people at risk of age-related macular degeneration understand their 2-year risk and what steps could protect their vision.

    NIH research Ihealthscreen, INC. · Richmond Hill, UNITED STATES · NIH-11552709

  • Active cycling program to support vision and daily living in Veterans with AMD

    A 6-month online group spin cycling program is tested to help Veterans with age-related macular degeneration maintain vision and improve daily functioning.

    NIH research Veterans Health Administration · Decatur, UNITED STATES · NIH-11456784

  • Transplanting stem-cell–derived retinal cells to treat dry AMD

    A medical team is testing a stem cell therapy to replace damaged retinal cells in adults with dry age-related macular degeneration.

    NIH research Regenerative Research Foundation · Albany, UNITED STATES · NIH-11439991

  • RPESC-derived RPE Transplant for Dry AMD in adults

    A new cell-based therapy derived from RPESCs is being tested to help adults with dry age-related macular degeneration regain vision.

    NIH research Regenerative Research Foundation · Albany, UNITED STATES · NIH-11436542

  • New high-resolution OCT biomarkers to map early AMD changes

    A new imaging approach using advanced OCT methods will help doctors see early changes in age-related macular degeneration to guide treatment and improve quality of life for older adults.

    NIH research Oregon Health & Science University · Portland, United States · NIH-11431137

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.
Last reviewed 2026-11-14 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.