Can You Prevent Macular Degeneration? Diet, Gut Health & New Research | NYU Langone Health

NYU Langone Health
NYU Langone HealthMay 7, 2026

Why It Matters

Because macular degeneration threatens vision for millions, breakthroughs in non‑invasive treatment and preventive nutrition could dramatically reduce blindness and healthcare expenditures.

Key Takeaways

  • Macular degeneration is leading cause of irreversible blindness over 50
  • No proven prevention; advanced stages require lifelong monthly eye injections
  • Certain macular holes close with topical drops, eliminating surgery
  • Diabetic retinopathy treatment varies: laser, injections, or surgery
  • Research investigates diet, gut microbiome impact on retinal health

Summary

The video, presented by NYU Langone ophthalmology professor Dimmitra Scondra, outlines the burden of macular degeneration and related retinal disorders, emphasizing that they are the most common cause of irreversible blindness in adults over 50 and comparable in prevalence to Alzheimer’s disease.

Scondra explains that no proven preventive measures exist; once macular degeneration reaches advanced stages patients face lifelong monthly intravitreal injections. She also describes traditional retinal detachment surgery and a newer, less invasive protocol that uses topical drops to close certain macular holes without operating.

The discussion expands to diabetic retinopathy, noting that treatment ranges from laser photocoagulation to repeated anti‑VEGF injections or vitrectomy, depending on disease stage. Scondra highlights ongoing research linking diet and gut microbiome composition to retinal health, suggesting future preventive strategies.

These insights underscore a growing clinical need for non‑surgical, preventive approaches, which could lower treatment costs and preserve vision for an aging population. The emerging focus on nutrition and gut health may eventually shift the paradigm from reactive care to proactive disease mitigation.

Original Description

Age-related macular degeneration (AMD) is the leading cause of vision loss in adults over 50 — affecting twice as many people as Alzheimer's disease. But new research suggests that what you eat, the health of your gut microbiome, and even common medications may help slow or prevent its progression.
In this video, Dr. Dimitra Skondra, Vice Chair of Research in Ophthalmology at NYU Langone Health, explains what AMD is, how it's treated, and what researchers are discovering about the surprising connection between your gut and your eyes.
What you'll learn:
What age-related macular degeneration is and who is most at risk
How retinal detachment, macular holes, and diabetic retinopathy are diagnosed and treated
The link between gut microbiome health and vision loss
How a Mediterranean-style diet may reduce your risk of AMD
Why researchers are studying metformin as a potential preventive treatment for macular degeneration
Whether sleep affects your retinal health
Chapters:
0:00 Introduction: What Is Macular Degeneration?
0:23 Retinal Detachment: Causes and Surgical Treatment
1:06 Macular Holes: A Non-Surgical Breakthrough
1:36 Diabetic Retinopathy: Stages and Treatments
4:05 About Dr. Dimitra Skondra
4:58 Epiretinal Membranes: What They Are and How They're Treated
5:20 The Gut-Retina Connection
6:18 Can Diet Reduce Your Risk of Macular Degeneration?
7:21 Metformin and AMD: What the Research Shows
8:36 How What You Eat Affects Your Vision
9:31 Does Sleep Affect Retinal Health?
Learn more about macular degeneration diagnosis and treatment at NYU Langone Health: 🔗 https://nyulangone.org/conditions/macular-degeneration
Find an NYU Langone ophthalmologist:🔗 https://nyulangone.org/doctors/condition/macular-degeneration
📞 To make an appointment: 646-929-7950
Subscribe for the latest in health, research, and expert care from NYU Langone Health.

Comments

Want to join the conversation?

Loading comments...