Age-Related Macular Degeneration: Symptoms, Diagnosis, and Treatment
Understanding the Two Types of AMD
AMD comes in two distinct forms, and knowing the difference matters because each type behaves differently and requires a different approach to treatment. Both types affect the macula and can lead to central vision loss over time.
Dry AMD accounts for approximately 80 percent of all macular degeneration cases. In this form, small yellow protein deposits called drusen accumulate beneath the retina. Over time, these deposits can thin the macula and gradually damage the light-sensing cells responsible for sharp central vision.
Dry AMD progresses through three stages: early, intermediate, and late. Most people with early dry AMD experience no noticeable symptoms, and the condition is typically discovered during a routine dilated eye exam when your doctor spots drusen and pigment changes in the macula.
Wet AMD accounts for approximately 20 percent of AMD cases but is responsible for the majority of severe vision loss caused by the disease. In this form, abnormal blood vessels grow beneath the retina and leak fluid or blood into the macula, disrupting central vision.
Vision changes from wet AMD can develop rapidly, sometimes over days rather than months. You may notice sudden distortion, waviness in straight lines, or a new dark spot in the center of your vision. These symptoms require prompt evaluation.
Dry AMD can convert to wet AMD at any stage, and this shift cannot be predicted in advance. This is one of the key reasons that regular monitoring remains important even when dry AMD feels stable and symptoms are minimal.
If you notice sudden changes such as new waviness in straight lines or a dark spot that was not present the day before, contact your eye doctor the same day. Catching this conversion early gives treatment the best chance of protecting your remaining vision.
Recognizing the Symptoms of AMD
AMD symptoms vary depending on the stage and type of the disease. Some people live with early AMD for years without noticing any changes, while others experience more rapid vision shifts. Knowing what to watch for at each stage helps you respond quickly when it matters most.
Early AMD typically produces no visual complaints at all. Your doctor identifies it by finding medium-sized drusen beneath the retina during a dilated eye exam. You may live with early AMD for years before any change in your vision becomes noticeable.
Some people with early AMD notice mild difficulty seeing in dim environments, such as needing brighter light to read or struggling in a restaurant with low lighting. These changes are subtle enough that most people attribute them to normal aging.
Intermediate AMD can produce a noticeable blur in your central vision. Reading may feel harder even with your current glasses, fine details on screens and printed pages may look fuzzy, and colors may appear less vivid than before.
At this stage, your doctor finds larger drusen or significant pigment abnormalities in the macula. Intermediate AMD is also the stage at which your doctor may recommend AREDS2 nutritional supplements and more frequent monitoring visits.
Late dry AMD, also called geographic atrophy, causes a blurry or blank area in the center of your vision that can expand gradually over months to years. Tasks such as reading, recognizing faces, and driving become increasingly difficult.
Late wet AMD can cause more sudden vision loss. A dark or gray spot may appear in the center of your view, and straight lines may look bent or wavy. If these symptoms develop over a matter of days, you need urgent evaluation so treatment can begin as quickly as possible.
How AMD Is Diagnosed
Diagnosing AMD accurately requires a combination of a careful in-office examination and advanced imaging technology. Our team uses each of these tools to understand the type, stage, and activity level of your AMD so we can build the right treatment plan for you.
Your doctor places drops in your eyes to widen the pupils, then examines the retina using a bright light and a magnifying lens. This exam allows your doctor to see drusen, pigment changes, retinal thinning, and any signs of fluid or blood in the macula.
The dilating drops make your vision temporarily blurry and your eyes more sensitive to light for a few hours. We recommend bringing sunglasses and arranging a ride home after your appointment. A dilated exam is the essential first step in diagnosing and staging AMD.
Optical coherence tomography, known as OCT, creates detailed cross-sectional images of the retina. Your doctor uses these images to measure retinal thickness, detect fluid beneath the macula, and track changes in drusen size over time. The scan is painless and takes only a few minutes to complete.
Comparing OCT images from visit to visit is a powerful tool for catching progression early. Changes in retinal thickness or the appearance of new fluid can signal a shift from dry to wet AMD, sometimes before any difference in vision is noticeable to you.
When wet AMD is suspected, fluorescein angiography can confirm its presence. A yellow dye is injected into a vein in your arm, and your doctor photographs the dye as it travels through the retinal blood vessels. Leaking abnormal vessels appear as bright areas on the images.
OCT angiography offers a dye-free alternative that maps abnormal blood vessel networks beneath the retina. Depending on your situation, your doctor may use one or both tests to confirm your diagnosis and guide your treatment plan.
Treatment Options for AMD
Treatment for AMD depends on which type and stage you have. While there is currently no cure for AMD, effective treatments exist that can slow the disease, protect remaining vision, and in some cases improve vision that has already been affected. Our retina specialists, Dr. Gaurav Gupta and Dr. Pranjal Thakuria, tailor each treatment plan to the individual patient.
Anti-VEGF injections are the standard treatment for wet AMD. VEGF, which stands for vascular endothelial growth factor, is the protein that triggers the growth of abnormal blood vessels. Injecting medication that blocks this signal directly into the eye can stop vessel growth and reduce leakage. Your doctor numbs the eye with drops before the injection, and most patients feel only mild pressure during the procedure.
Several anti-VEGF medications are available, including aflibercept, ranibizumab, faricimab, and bevacizumab. Anti-VEGF treatment stabilizes or improves vision in the large majority of wet AMD patients. Your doctor selects the right medication based on how your eye responds and what treatment schedule works best for you.
Geographic atrophy is the late stage of dry AMD, and it was historically difficult to treat. Two medications, pegcetacoplan and avacincaptad pegol, received FDA approval and are now available to slow the growth of geographic atrophy lesions. Both are injected into the eye by your retina specialist.
These treatments do not restore vision that has already been lost, but clinical evidence shows they can slow the rate of future damage. Your doctor will discuss whether either medication is appropriate for your specific situation, weighing the potential benefit against the need for regular injections.
The AREDS2 formula is a specific combination of vitamins and minerals, including vitamins C and E, zinc, copper, lutein, and zeaxanthin. Research has shown that this supplement formula can slow progression from intermediate dry AMD to late-stage disease in certain patients.
AREDS2 supplements are not a treatment for wet AMD and are not appropriate for all AMD patients. Your doctor will advise you on whether they are right for your stage of the disease and will review any other supplements or medications you take to avoid interactions.
Regular monitoring is not passive waiting. It is an active and essential part of managing AMD at every stage. Your doctor uses OCT at each visit to track drusen changes, retinal thinning, and the presence of any new fluid. How often you are seen depends on your specific type and stage of AMD.
Between visits, using an Amsler grid each morning, one eye at a time, helps you notice any new waviness, distortion, or blank spots as early as possible. Report any changes to your doctor promptly rather than waiting for your next scheduled appointment.
Living Well with AMD
AMD affects more than just your vision test results. It can change how you read, cook, get around, and feel about your daily life. With the right tools, habits, and support, many people with AMD continue to live full and engaged lives.
Magnifiers, screen readers, large-print materials, and high-contrast displays can help you continue reading, managing medications, and handling daily tasks. A low vision specialist evaluates your specific needs and recommends tools matched to your current level of vision.
Vision rehabilitation programs teach practical strategies for a wide range of everyday activities. Many of these programs are available at reduced or no cost through state agencies and nonprofit organizations that support people living with vision loss.
Eating leafy greens, fish, and colorful vegetables delivers nutrients that support retinal health. If you smoke, quitting is one of the most significant protective steps you can take to slow AMD progression.
Regular physical activity and keeping blood pressure well controlled also support the small blood vessels that nourish the macula. Wearing sunglasses with UV protection outdoors can reduce cumulative light damage to the retina over time.
Vision loss from AMD can affect your confidence, independence, and emotional health. Connecting with a counselor or an AMD support group, many of which now meet online, can make a real difference in how you cope with the challenges of the disease.
Occupational therapists can help you adapt your home and daily routines to maintain independence as your vision changes. Ask our team about local and online resources that may be helpful for your situation.
Frequently Asked Questions
These are some of the questions our patients ask most often about AMD. If you have a question that is not covered here, our team is always glad to help.
Your eye is numbed with anesthetic drops before the injection, so most patients feel only a brief sense of pressure or fullness rather than sharp pain. The injection itself takes just a few seconds. Some people notice mild soreness, a red spot on the white of the eye, or watery eyes for a day or two afterward. These effects are temporary and usually resolve on their own.
Wet AMD is a chronic condition, and most patients receive anti-VEGF injections for an extended period, often years. Treatment typically begins on a monthly schedule, and your doctor may extend the interval between injections if your retina remains stable and free of fluid. Stopping treatment without your doctor's guidance can allow fluid and vessel activity to return, so long-term planning is an important part of your care.
Without treatment, the abnormal blood vessels in wet AMD continue to leak fluid and blood beneath the macula. This causes progressive scarring of the macula, which leads to permanent central vision loss. Once significant scarring has formed, treatment cannot reverse the damage. This is why acting quickly when wet AMD is diagnosed, or suspected, is so important.
Not every patient with geographic atrophy is a candidate for the newer complement-blocking treatments. Your doctor considers the size and location of your lesions, your overall health, and the frequency of injections required before recommending these medications. There is also a small risk that these treatments may increase the chance of converting to wet AMD, so the decision is made carefully and individually with your doctor.
Both genetics and lifestyle play a role in AMD risk and progression. While you cannot change your genes, factors such as smoking, diet, blood pressure control, and UV exposure are modifiable and can influence how quickly AMD progresses. Making positive changes does not replace medical treatment, but it can meaningfully support the overall management of the disease.
Medicare Part B generally covers anti-VEGF injections and other office-based AMD procedures when ordered by a physician for a documented medical diagnosis. Coverage details, including which specific medications are covered and how often visits are reimbursed, can vary depending on your plan and circumstances. It is always a good idea to confirm your specific coverage with our billing team before treatment begins.
Schedule Your AMD Evaluation
Early detection and expert care give you the best opportunity to protect your vision from AMD. At Rhode Island Eye Institute, our fellowship-trained retina specialists bring advanced diagnostic tools and proven treatment options to every patient. If you are over 50, have a family history of AMD, or have noticed changes in your central vision, we encourage you to schedule a comprehensive dilated eye exam with our team.