Age-Related Macular Degeneration

The leading cause of significant vision loss in adults over 50. AMD affects the macula, the central part of the retina responsible for sharp, detailed vision needed for reading, driving, and recognizing faces. While it does not cause total blindness, it can profoundly impact daily life.

At a Glance

Age-related macular degeneration (AMD) damages the macula — the central area of the retina — causing progressive loss of the sharp, straight-ahead vision needed for reading, driving, and recognizing faces. It is the leading cause of significant vision loss in adults over 50 in developed countries.

Key Facts

Most common in age 50+ 11M+ Americans affected Peripheral vision preserved

Types

●Dry AMD — Most common (80–90%). Progresses slowly; drusen deposits form under retina.
●Wet AMD — Less common but severe. Abnormal blood vessels leak fluid rapidly.

Common Symptoms

•Blurred or wavy central vision
•Dark or blank spot in the center of vision
•Colors appear less vivid
•Straight lines appear bent or wavy
•No symptoms in early stages (exam is the only way to detect)

Risk Factors

•Age over 50 (risk doubles each decade)
•Smoking (2–3× higher risk)
•Family history or genetic predisposition
•Obesity, cardiovascular disease
•Light skin and blue/green eye color

How It's Diagnosed

Diagnosed with a dilated eye exam and OCT imaging, which captures detailed cross-sections of the retina. An Amsler grid is used for home monitoring of distortion.

Treatment Options

Wet AMD: Anti-VEGF eye injections (aflibercept, ranibizumab, bevacizumab) — highly effective at stopping vision loss. Dry AMD: AREDS2 vitamin supplements slow progression in intermediate/advanced stages. No cure exists for dry AMD.

⚠ Seek Care Promptly If You Notice

•Sudden decrease in central vision
•Straight lines that suddenly look wavy
•A new dark or blank spot in central vision
•Rapid worsening of vision in one eye

Drusen / Retinal Image

Illustration area: drusen beneath the retina in AMD

Vision Distortion Illustration

Visual distortion (metamorphopsia) as experienced with AMD

What is AMD?

Age-related macular degeneration (AMD) is a progressive eye disease that damages the macula, the small central area of the retina that provides clear, straight-ahead vision. The retina sits at the back of the eye and works like film in a camera, capturing light and sending visual signals to the brain.

AMD is the most common cause of vision loss in older adults in developed countries. It typically develops after age 50 and becomes more common with advancing age. Importantly, AMD affects only central vision. Patients almost never lose all their sight, as side (peripheral) vision usually remains intact. However, losing central clarity can make it challenging to read, drive, cook, and recognize the faces of loved ones.

The disease can advance slowly or rapidly depending on the type. Because early stages often cause no noticeable symptoms, routine comprehensive eye exams are essential for catching AMD before significant vision is lost.

Dry AMD vs. Wet AMD

AMD is classified into two main forms. Dry AMD is far more common and usually progresses gradually, while wet AMD is less common but can threaten vision quickly without treatment. Understanding the differences helps patients know what to expect and why monitoring matters.

Dry AMD (Non-Neovascular)

Accounts for roughly 80–90% of AMD cases
Develops slowly as the macula thins with age
Hallmark feature: drusen — tiny pale-yellow deposits that form beneath the retina
Small drusen are usually harmless; larger accumulations signal progression
Advanced form is geographic atrophy (GA), where patches of retinal tissue waste away

Wet AMD (Neovascular)

Less common but responsible for the majority of severe vision loss from AMD
Hallmark feature: choroidal neovascularization (CNV) — abnormal blood vessels grow beneath the retina
These vessels are fragile and can leak fluid or bleed, damaging the macula
Can cause sudden or gradual decline in central vision
Often begins as dry AMD and can convert to wet AMD at any time

Stages of AMD Progression

Early AMD

Medium-sized drusen are present beneath the retina. Most people experience no vision loss and are unaware anything has changed.

Intermediate AMD

Large drusen develop and/or pigment changes appear in the retina. Some mild vision loss may occur, though many patients still notice little change.

Late AMD

Vision loss becomes noticeable in the center of the visual field. This stage includes wet AMD or geographic atrophy (advanced dry AMD).

Symptoms

AMD symptoms depend heavily on the stage and type. Early and even intermediate dry AMD frequently cause no obvious warning signs, which is why scheduled eye examinations are so important. When symptoms do appear, they usually involve the center of your visual field.

No symptoms in early stages
Early AMD and even some intermediate cases may not produce any noticeable vision changes, making regular dilated exams essential.
Distortion of straight lines (metamorphopsia)
Door frames, window blinds, or gridlines may look wavy, bent, or crooked. This is often the first warning sign of wet AMD.
Decreased color brightness and contrast
Colors may seem faded or dull, and telling objects apart from their background can become harder.

Gradual or sudden central vision loss
A blurred or blank area may develop in the center of your sight, gradually enlarging or appearing abruptly.
Dark, blurry areas or scotomas
Shadow-like spots in the center of vision that persist even when you blink. These blank spots can make reading and face recognition difficult.
Difficulty reading or recognizing faces
Fine detail work becomes tiring. You may need brighter light to read, and familiar faces may become hard to identify until they are very close.

Risk Factors

Several factors increase the likelihood of developing AMD. Some, like age and genetics, cannot be changed, but others—especially smoking—are within your control. Addressing modifiable risks is one of the most effective ways to protect your vision.

Age

The single strongest risk factor. AMD is most common in adults over 60, and the likelihood rises sharply after age 50.

Family History & Genetics

Having a parent or sibling with AMD significantly raises your risk. Certain inherited gene variants play a role in susceptibility.

Caucasian Race

AMD occurs more frequently in people of Caucasian descent compared with other racial and ethnic groups.

Cigarette Smoking

The most important modifiable risk factor. Smokers are several times more likely to develop AMD than nonsmokers, and secondhand smoke may also increase risk.

Hypertension & Cardiovascular Disease

High blood pressure and heart disease are linked to higher AMD risk, possibly because they reduce healthy blood flow and oxygen delivery to the retina.

Diet & Obesity

Diets low in leafy greens and fish, along with obesity, are associated with greater risk. Antioxidant-rich foods may offer protective benefits.

Diagnosis

Diagnosing AMD involves a combination of a careful clinical examination and advanced imaging tests. These tools allow your retina specialist to identify drusen, detect abnormal blood vessels, measure retinal thickness, and track changes over time.

Comprehensive Dilated Eye Exam

Your eye doctor will place dilating drops in your eyes to widen the pupils. Using a slit-lamp microscope and special lenses, the physician examines the retina and macula directly to look for drusen, pigment changes, bleeding, or abnormal vessels.

Optical Coherence Tomography (OCT)

OCT is a quick, non-invasive scan that uses light waves to capture high-resolution cross-sectional images of the retina. It reveals fluid, blood, drusen, and thinning tissue with exceptional detail, making it invaluable for monitoring disease progression and response to therapy.

Fluorescein Angiography (FA)

A fluorescent dye is injected into a vein in your arm. As the dye travels through retinal blood vessels, a specialized camera captures images. FA helps pinpoint leaking or abnormal vessels and areas of poor circulation, which is especially useful in wet AMD.

Amsler Grid

The Amsler grid is a simple at-home test featuring a pattern of horizontal and vertical lines with a dot in the center. By staring at the dot one eye at a time, patients can detect early distortion or blank spots that warrant prompt professional evaluation.

Amsler Grid Self-Test

Cover one eye, focus on the central dot from about 12–14 inches away. If any lines look wavy, blurred, or missing, contact your retina specialist right away.

Normal Amsler grid appearance

Warning signs: Wavy, broken, or missing lines; dark or blank spots. If you notice any of these, seek immediate evaluation from a retina specialist.

Treatment Options

Treatment for AMD depends on the type and stage. Wet AMD has highly effective therapies that can stabilize and sometimes improve vision. Dry AMD management focuses on slowing progression and preserving existing sight. There is no treatment that fully restores vision lost to AMD, so early intervention is critical.

Anti-VEGF Therapy for Wet AMD

The current standard of care

The foundation of wet AMD treatment is intravitreal anti-VEGF injections. VEGF (Vascular Endothelial Growth Factor) is a protein that fuels the growth of abnormal, leaky blood vessels. Anti-VEGF drugs block this signal, reducing fluid buildup and bleeding while helping stabilize vision. In some cases, vision can even improve.

Commonly used medications include bevacizumab (Avastin), ranibizumab (Lucentis), aflibercept (Eylea), brolucizumab (Beovu), and faricimab (Vabysmo). Your retina specialist will recommend the best option based on your individual response and medical history.

Common Treatment Regimens

1. Monthly / Fixed schedule: Injections are given at set intervals (often every 4–8 weeks) to keep the disease consistently suppressed.
2. Treat-and-extend: After an initial loading phase, your doctor gradually increases the time between visits if your eye remains stable, personalizing your schedule.
3. PRN (treat and observe): Injections are given only when signs of active disease (fluid or bleeding) appear on OCT imaging.

Before anti-VEGF therapy became available, photodynamic therapy (PDT) was sometimes used. Today, PDT is rarely a first-line treatment but may occasionally be combined with injections in select cases.

Learn more about intravitreal injections

LumiThera / Photobiomodulation

Photobiomodulation (PBM) is a non-invasive light therapy that uses specific wavelengths of light — particularly 590 nm yellow light — to stimulate mitochondrial function in retinal cells and reduce oxidative stress. It is designed for patients with intermediate dry AMD.

The LumiThera Valeda device is an FDA-cleared (Class II) system available by prescription. During the LIGHTSITE III clinical trial, patients receiving PBM showed reduced progression of geographic atrophy and stabilization of visual function compared to sham treatment.

Treatment is delivered in-office through a light-emitting device. A typical course involves multiple sessions over several weeks, followed by periodic maintenance treatments. The procedure is painless and takes only a few minutes per session.

Photobiomodulation is not a cure for AMD. Benefits vary by individual, and it is not universally covered by insurance. Discuss with your retina specialist whether you may be a candidate.

Treatments for Geographic Atrophy

Geographic atrophy (GA), the advanced form of dry AMD, has historically lacked effective therapies. Recently, new medications have been approved that can slow the expansion of atrophic patches.

Pegcetacoplan (Syfovre) and avacincaptad pegol (Izervay) are complement inhibitors delivered by intravitreal injection. They target specific inflammatory pathways involved in retinal cell death.

While these treatments do not restore lost vision, clinical studies show they can meaningfully slow the growth of GA lesions over time, helping patients preserve precious central sight for longer.

Nutrition & Supplements

What you eat — and the supplements you take — can play a meaningful role in slowing AMD progression. Research from the National Eye Institute (AREDS and AREDS2 studies) has identified specific vitamins and minerals that may help preserve vision in people with intermediate AMD.

AREDS2 Formula

The AREDS2 study found that a specific combination of vitamins and minerals can lower the risk of progression from intermediate to advanced AMD by about 25%. This formulation is recommended only for people with certain stages of AMD — talk with your ophthalmologist before starting.

Daily AREDS2 Ingredients

Vitamin C 500 mg

Vitamin E 400 IU

Lutein 10 mg

Zeaxanthin 2 mg

Zinc 80 mg

Copper 2 mg

AREDS2 replaced beta-carotene with lutein and zeaxanthin because beta-carotene was linked to increased lung cancer risk in current and former smokers.

Eye-Healthy Foods

Supplements alone are not enough. A diet rich in leafy greens, colorful vegetables, and omega-3 fatty acids supports retinal health and may lower the risk of AMD progression.

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Dark Leafy Greens

Spinach, kale, and collard greens are packed with lutein and zeaxanthin.

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Fatty Fish

Salmon, mackerel, and sardines provide omega-3 fatty acids (DHA/EPA).

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Colorful Fruits

Blueberries, oranges, and bell peppers offer antioxidants and vitamin C.

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Eggs & Nuts

Eggs contain lutein and zeaxanthin; nuts provide vitamin E and zinc.

Who Should Consider AREDS2?

Most Likely to Benefit

People with intermediate AMD — those with large drusen in one or both eyes, or advanced AMD in one eye.

May Benefit

Patients with early AMD who have a strong family history or multiple risk factors for progression.

Not Recommended

People without AMD or with very early AMD and few risk factors. Supplements have not been shown to prevent AMD.

Vitamins for AMD (AAO) AREDS2 Supplements (NEI)

Living with AMD

An AMD diagnosis can feel overwhelming, but many people continue to lead full, independent lives with the right tools and support. Because side vision is usually preserved, mobility and navigation often remain possible. The key is learning how to make the most of your remaining vision and adapting your environment.

Low Vision Aids

A variety of devices can magnify text and enlarge objects, making everyday tasks easier:

• Handheld and stand magnifiers for reading
• Special high-power reading glasses (stronger than drugstore readers)
• Electronic video magnifiers (CCTVs) that enlarge text on a screen
• Smartphone and tablet apps with magnification and voice-over features
• Large-print books, audiobooks, and screen-reader software

Vision Rehabilitation

Vision rehabilitation programs teach practical skills to help you maintain independence and quality of life:

• Training to use eccentric viewing (looking slightly off-center to see better)
• Adaptive techniques for cooking, managing medications, and organizing your home
• Counseling and support groups to address emotional and social challenges
• Home safety evaluations and lighting recommendations
• Orientation and mobility training to travel safely

Helpful Lifestyle Strategies

Improve Lighting

Use bright, directed task lighting for reading and cooking. Reduce glare by covering shiny surfaces and using matte finishes.

Boost Contrast

Use dark plates on light tablecloths, mark appliance settings with high-contrast tape, and choose bold, simple patterns.

Stay Active & Social

Physical activity supports overall eye health. Connecting with low-vision support groups can provide encouragement and practical tips from others who understand.

🔬 Clinical Trials

Active research for AMD — from ClinicalTrials.gov

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Clinical Trial Landscape

Research activity for Age-Related Macular Degeneration — sourced live from ClinicalTrials.gov

Search all trials

Frequently Asked Questions

Can AMD lead to complete blindness?

No. AMD damages only the central portion of vision and almost never causes total blindness. Most people keep their peripheral (side) vision, allowing them to walk and navigate independently. However, advanced AMD can make reading, driving, and recognizing faces very difficult. Low-vision rehabilitation and assistive devices can help you make the most of your remaining sight.

What is the difference between dry and wet AMD?

Dry AMD is the more common form and develops slowly as the macula thins and drusen deposits accumulate beneath the retina. Wet AMD is less common but more aggressive. It occurs when abnormal blood vessels grow under the retina, leaking fluid or blood and causing faster vision loss. Dry AMD can sometimes convert to wet AMD, which is why regular monitoring is important even if your vision seems stable.

How often will I need injections for wet AMD?

Injection schedules vary by individual and medication. Many patients start with a loading phase of monthly injections for the first three doses. After that, your retina specialist may use a treat-and-extend approach, gradually lengthening the interval between visits if your eye remains stable. Some patients receive injections every 8–12 weeks, while others need more frequent dosing. Consistent follow-up and OCT imaging are essential to fine-tune your schedule and protect your vision.

Is there a cure for dry AMD?

At this time, there is no cure that reverses dry AMD. However, AREDS2 supplements can slow progression in patients with intermediate disease. For geographic atrophy, newer injections such as Syfovre and Izervay can reduce the rate atrophy spreads. Researchers continue to explore promising avenues including gene therapies, stem cell approaches, and complement system targets. In the meantime, lifestyle changes and vigilant monitoring remain the cornerstone of dry AMD management.

What lifestyle changes can help protect my vision?

The single most impactful change is quitting smoking. Eating a colorful diet rich in leafy greens (spinach, kale), fish, and antioxidant-filled fruits supports retinal health. Regular physical activity, maintaining a healthy weight, controlling blood pressure and cholesterol, and wearing sunglasses that block UV and blue light are also beneficial. If you have intermediate AMD, ask your doctor whether AREDS2 supplements are appropriate for you. Finally, use the Amsler grid routinely and keep all scheduled eye appointments.

When to See a Retina Specialist

Early detection and timely treatment are critical for preserving vision in AMD. Contact a retina specialist immediately if you experience any of the following:

A sudden decrease in central vision or new blurriness
Straight lines appearing wavy, bent, or distorted on the Amsler grid
A new dark spot or blank area in the center of your vision
Any rapid change in your ability to read or recognize faces

Even without symptoms, adults over 50—especially those with a family history of AMD—should have regular comprehensive dilated eye exams to catch the disease in its earliest stages.

References & Learn More

ASRS

American Society of Retina Specialists patient guide with comprehensive AMD fact sheets, illustrations, and treatment information.

NEI

National Eye Institute resources covering AMD causes, stages, treatments, and the latest clinical trial findings.

AAO EyeSmart

American Academy of Ophthalmology patient education on AMD symptoms, diagnosis, treatment, and living with low vision.

TrialFlow Patient Education

Patient Information

Date: _______________

Patient: _______________

Age-Related Macular Degeneration (AMD)

What Is It?

AMD affects the macula, the central part of the retina responsible for sharp vision. It is the leading cause of vision loss in adults over 50. AMD does not cause total blindness, but it can make reading, driving, and recognizing faces difficult.

Symptoms to Watch For

Blurred or fuzzy central vision
Difficulty reading or recognizing faces
Straight lines appearing wavy or bent
Dark or empty area in the center of vision
Colors appearing less bright

Treatment

Anti-VEGF eye injections for wet AMD (monthly or as directed)
AREDS2 vitamin supplements for intermediate dry AMD
Regular monitoring with Amsler grid at home
Newer injections (Syfovre, Izervay) may slow geographic atrophy
Lifestyle changes: quit smoking, eat leafy greens, protect eyes from UV

⚠ Seek Immediate Help If:

Sudden decrease in central vision
Straight lines appear wavy or distorted (use Amsler grid)
New dark spot in the center of your vision
Any rapid change in vision

Go to the emergency room or call your retina specialist immediately.

Follow-Up Instructions

See your retina specialist every 4-12 weeks if receiving injections, or every 6-12 months for monitoring. Report any vision changes immediately. Continue using the Amsler grid daily to monitor for distortion.

Doctor's Notes