Overview
Macular degeneration usually refers to age-related macular degeneration, often called AMD. It affects the macula, a small area in the retina that helps you see fine detail in the center of your vision. The condition does not usually cause complete blindness, but it can seriously affect daily activities such as reading, driving, and recognizing faces.
Key Symptoms
Common symptoms include blurred or fuzzy central vision, trouble seeing details, and straight lines appearing wavy or distorted. Some people notice a dark, empty, or blurry spot in the center of vision. Early AMD may not cause noticeable symptoms, which is why routine eye care is important.
Causes and Risk Factors
The exact cause is not fully understood, but aging is the main risk factor. Other risk factors include smoking, family history, higher blood pressure, cardiovascular disease, and having overweight or obesity. Dry AMD involves gradual damage and thinning in the macula, while wet AMD happens when abnormal blood vessels grow under the retina and leak fluid or blood.
Who Is Affected
AMD mainly affects older adults and becomes more common with increasing age. People with a family history of the condition or those who smoke have a higher risk. It can affect one or both eyes, and symptoms may be worse in one eye than the other.
Prevention
Not all cases can be prevented, but some steps may help lower risk or slow worsening. Avoiding smoking is especially important. Managing blood pressure and other long-term health conditions, staying physically active, and having regular dilated eye exams may also help protect vision.
Diagnosis and Tests
An eye care professional diagnoses macular degeneration with a detailed eye exam, often including dilating the pupils to look at the retina. Imaging tests such as optical coherence tomography or retinal photography may be used to look for damage, fluid, or bleeding. You may also be asked to look at a grid pattern to check for visual distortion.
Treatment Categories
Treatment depends on whether the disease is dry or wet and how advanced it is. Wet AMD often needs prompt specialist treatment to help slow vision loss. Some people with certain stages of dry AMD may be advised by their clinician about specific vitamin formulations, low-vision support, and close monitoring.
Living With It
Macular degeneration can affect independence, work, reading, and emotional well-being. Low-vision services, brighter lighting, magnifying devices, and large-print tools can help many people stay active. It can also help to monitor vision changes in each eye and keep follow-up appointments.
Diet and Lifestyle
A healthy eating pattern that includes vegetables, fruits, and fish may support overall eye health. Not smoking, being physically active, and managing heart and blood vessel risk factors are also important. Ask a healthcare professional before starting supplements, because they are not appropriate for everyone.
When to Seek Medical Care
Make an eye care appointment if you notice blurred central vision, wavy lines, trouble reading, or a new dark spot in your sight. Seek urgent medical care if vision changes happen suddenly, especially in one eye. Regular eye exams are important even without symptoms if you are older or have risk factors.