Macular degeneration dry

Overview

Dry macular degeneration is a common eye condition that affects the central part of the retina, called the macula. The macula is responsible for sharp, straight-ahead vision needed for reading, driving, and recognizing faces. In dry macular degeneration, the cells in the macula slowly thin and break down, leading to gradual vision loss. It is the more common form of age-related macular degeneration (AMD) and usually progresses slowly.

Yes, dry macular degeneration is very common, especially in people over 50. It is a leading cause of vision loss in older adults worldwide.

It mainly affects older adults, particularly those over 65. Risk is higher in people with a family history of AMD, those who smoke, and people with cardiovascular conditions. It is more common in Caucasians than in other ethnic groups.

Symptoms

Common symptoms

• Blurred or fuzzy central vision, making it hard to read or see fine details.
• Difficulty recognizing faces or needing brighter light for reading.
• Straight lines appearing wavy or distorted (this can also happen in the wet form).
• A dark or empty spot in the center of your vision (central scotoma).
• Colors appearing less vibrant or different.

Symptoms in older adults

• Gradual worsening of central vision over months or years.
• Needing more light for tasks like reading or sewing.
• Trouble adjusting to dim lighting or glare.
• Seeing shadows or missing areas in central vision.

Causes

Main causes

• The exact cause is not fully understood, but dry AMD occurs when cells in the macula wear down over time, often due to aging.
• Small yellow deposits called drusen build up under the retina, which can damage the macula.

Risk factors

• Age over 50, especially over 65.
• Family history of age-related macular degeneration.
• Smoking or exposure to tobacco smoke.
• High blood pressure or other cardiovascular diseases.
• Obesity and a diet high in saturated fats.
• Prolonged sun exposure without eye protection.

When to see a doctor

See a doctor urgently if:

• Sudden vision loss in one or both eyes.
• Sudden appearance of wavy lines or distorted vision.
• New blind spots or dark areas in your vision.

Book a routine appointment if:

• Regular eye exams every one to two years if you are over 50, even without symptoms.
• If you notice gradual changes in your central vision, such as needing more light or blurriness.

Diagnosis

An eye doctor (optometrist or ophthalmologist) will do a comprehensive eye exam, including dilating your pupils to look at the back of your eye. They will check for drusen, pigment changes, and thinning of the macula.

Tests that may be done

• Visual acuity test – reading an eye chart to measure sharpness of vision.
• Amsler grid test – checking for wavy or missing areas in your central vision.
• Optical coherence tomography (OCT) – a quick, painless scan that takes detailed images of the retina layers.
• Fundus photography – taking a photo of the back of your eye to track changes over time.

What to expect at your appointment

The exam is painless and usually takes 30-60 minutes. Your doctor may put drops in your eyes to widen your pupils, which can cause blurry vision and sensitivity to light for a few hours. You might want someone to drive you home. Your doctor will explain the stage of dry AMD (early, intermediate, or advanced) and discuss next steps.

Treatment

There is no cure for dry macular degeneration, but treatments focus on slowing progression and managing symptoms. For advanced dry AMD, there are some newer therapies available. Your eye doctor will recommend a plan based on the stage of your condition.

Self-care at home

• Eat a healthy diet rich in leafy green vegetables, fruits, and fish – the AREDS2 formula of vitamins (ask your doctor about supplements).
• Protect your eyes from UV light with sunglasses that block 100% UV.
• Don't smoke – if you smoke, get help to quit.
• Manage other health conditions like high blood pressure and cholesterol.
• Use proper lighting and magnifiers for reading and close work.

Medical treatments

For early to intermediate dry AMD, your doctor may recommend a specific combination of vitamins and minerals (based on AREDS2 studies) to slow progression. Do not start any supplement without discussing with your doctor. For advanced dry AMD with geographic atrophy, a new type of medication (called a complement inhibitor) injected into the eye may be an option in some countries. These treatments aim to slow the growth of atrophy but not restore lost vision. Laser therapy and photodynamic therapy are used for the wet form, not dry.

When is surgery considered?

Surgery is not a treatment for dry macular degeneration. However, if you develop a complication like a cataract, cataract surgery may be considered. In very advanced cases, a telescopic lens implant may be an option in selected patients – discuss with a retinal specialist.

Living with this condition

Living with dry AMD means adapting to changes in central vision. Most people can still do daily tasks with the help of low-vision aids. Use good lighting, contrast (e.g., black on white), and magnifying tools. You can learn techniques to use your peripheral vision more effectively. Many community services offer training for daily living skills.

Lifestyle tips

• Use large-print books, audio books, or electronic readers with adjustable text.
• Install brighter lights at home, especially in reading areas and stairs.
• Use talking devices for clocks, watches, and kitchen scales.
• Learn to use screen magnification software or voice assistants on your phone.
• Consider low-vision rehabilitation with an occupational therapist.

Diet and exercise

A healthy diet rich in antioxidants may help slow AMD. Eat dark leafy greens (spinach, kale), colorful fruits and vegetables, fish high in omega-3, and nuts. Avoid processed foods and trans fats. Moderate exercise, like walking, helps maintain good circulation and overall health. Always talk to your doctor before starting a new supplement.

Mental health and emotional wellbeing

Vision loss can be frustrating and may lead to feelings of sadness, anxiety, or isolation. It is normal to feel worried. Talk to your doctor, a counselor, or a support group. Staying connected with friends and family and continuing hobbies you enjoy (with adaptations) can help. If you feel overwhelmed, ask your healthcare provider about mental health support.

Prevention

Dry macular degeneration cannot always be prevented, but you can lower your risk. Not smoking, eating a healthy diet, maintaining a healthy weight, controlling blood pressure and cholesterol, and protecting your eyes from UV light may reduce your chances of developing advanced AMD.

Screening programmes

Regular eye exams are the best way to catch early changes. If you are over 40, have an eye exam every 2-4 years; over 65, every 1-2 years. If you have a family history of AMD, your doctor may recommend more frequent checks.

Complications

If left untreated

• Progression to advanced dry AMD (geographic atrophy) which can cause significant central vision loss.
• Increased risk of developing wet macular degeneration, which can cause sudden and more severe vision loss if not treated promptly.
• Difficulty with daily activities like reading, driving, and recognizing faces.

Long-term outlook

Dry macular degeneration usually progresses slowly over many years. Most people retain their peripheral vision, which allows them to get around and do many daily tasks. While central vision loss can be challenging, low-vision aids and support services can help you maintain a good quality of life. Research continues to develop new treatments, giving hope for better options in the future.

Find support

International organisations

• Macular Society (UK)
• American Macular Degeneration Foundation
• Retina International

Local organisations

• RNIB (Royal National Institute of Blind People) · UK
• Vision Australia · Australia
• CNIB · Canada

Helplines

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