Signs and Symptoms of Geographic Atrophy
Medically reviewed by Bryan M. Wolynski, ODMedically reviewed by Bryan M. Wolynski, ODGeographic atrophy (GA) causes vision loss that begins in the outer retina and extends across the eye over time. This condition is a late-stage form of age-related macular degeneration (AMD).Most people who develop AMD do so because they are older. As you age, you have a higher risk of experiencing damage to the part of the retina that helps you see right in front of you and creates sharpness in your central vision.It’s estimated that about 160,000 people receive a GA diagnosis per year. Unfortunately, GA can cause significant challenges, making it difficult to complete everyday activities due to reduced visual abilities.If you are experiencing symptoms of GA (e.g., blurry spots or poor night vision), it's important to see a healthcare provider for support. Without treatment, GA can lead to central vision loss and legal blindness. But, treatments can help slow down the progression of this disease.
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Early Symptoms If you receive a geographic atrophy diagnosis, you are likely already experiencing advanced vision symptoms. That's because early-stage AMD or GA may not produce any noticeable symptoms. Some people do experience early warning signs, however. These symptoms may include:Difficulty seeing objects in low lightTrouble reading with dim lightingBecause early symptoms of geographic atrophy can go unnoticed, it's essential to see your eye care provider (e.g., optometrist or ophthalmologist) for yearly vision exams. These tests can detect changes in your vision and overall eye health.Progressive Symptoms As GA progresses, you'll likely start experiencing more advanced symptoms. You may notice that:Lines look wavy or crookedThe center of your vision appears blurryColors appear dullIt's hard to see things at nightObjects appear less sharp or low contrastOver time, blurriness in your vision can worsen, and you may need more light to see properly. GA symptoms can progress rapidly, so getting early treatment is essential.End-Stage Symptoms Because GA progresses so quickly, it's possible to become legally blind in the end-stage of the condition. Before you lose your central vision completely, you may notice that your vision loss is interfering with several daily activities, such as:ReadingDrivingCookingCleaningRecognizing facesWatching televisionWalking safelySeeing your phone screen correctlyTreatments in the end stage are less likely to slow down the progression of GA. That said, if you or a loved one are experiencing vision changes, it's important to seek treatment from an eye care provider sooner rather than later, as this can prevent symptoms of GA from moving too quickly.Other Symptoms and ComplicationsMany people with vision problems, such as geographic atrophy, experience some level of distress or depression due to their reduced ability to see. It can be difficult and frustrating to ask for support or depend on someone else when you undergo a life-changing experience like vision loss. If you or a loved one with GA are developing symptoms of anxiety, depression, or a general loss of emotional well-being, seeing a mental health care provider may help.GA can also increase your risk of developing Charles Bonnet syndrome (CBS)—a condition that causes visual hallucinations in people with vision loss. These hallucinations aren't due to a psychological cause. If you develop hallucinations alongside vision problems, it's important to tell your eye care provider so they can recommend appropriate treatments to keep symptoms at bay.When to Contact a Healthcare Provider Contact your eye care provider if you think you might have geographic atrophy or notice any changes in your vision health. Share your symptoms and request a vision test. The provider can learn more about your condition and recommend the next steps. It's also important to be proactive about vision health and attend annual eye exams to check on the status of your vision. Questions to Ask Your ProviderIf you decide to seek diagnosis or treatment with your eye care provider, it can help to come prepared with questions to ask at your appointment. Consider the following suggestions:Can I get geographic atrophy even without AMD?Why does vision get weaker as you age?What can I do to prevent my condition from worsening?Which treatment options are currently available?What changes can I implement to make it easier to complete my daily tasks despite my vision loss?
A Quick Review Geographic atrophy (GA) is a progressive eye condition that can eventually lead to central vision loss and legal blindness, affecting your ability to complete daily tasks. This condition is a late-stage form of age-related macular degeneration, an eye disease common in older adults.Some people with GA don't experience any symptoms in the early stage, making it hard to diagnose. When symptoms develop, it's possible to experience poor night vision, blurriness, and difficulty seeing in low light. Getting as early of a diagnosis as possible and following your treatment plan can slow disease progression. For more Health.com news, make sure to sign up for our newsletter! Read the original article on Health.com.
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