What Is Age-Related Macular Degeneration?
AMD is a chronic, progressive condition affecting the macula — the central part of the retina responsible for sharp, detailed, colour vision. It affects your central vision while leaving peripheral sight intact, impacting your ability to read, recognise faces and drive. AMD doesn't cause total blindness, but it significantly affects daily life, and is one of the most common causes of vision loss in adults over 50.
Dry AMD vs Wet AMD
| Dry AMD (Atrophic) | Wet AMD (Neovascular) | |
|---|---|---|
| How common | 80–90% of AMD cases | 10–20% of AMD cases |
| How it progresses | Gradual, often unnoticed early on | Faster, more severe vision loss |
| What causes it | Thinning macular tissue and drusen deposits | Abnormal blood vessels leaking fluid or blood |
| Main treatment | Supplements, diet, lifestyle changes | Anti-VEGF injections |
Early Signs & Symptoms
- • Blurred or distorted central vision
- • Straight lines appearing wavy
- • Colours looking dull
- • Dark or empty patches in the centre of your vision
- • Difficulty reading, driving at night, or recognising faces
AMD can progress silently
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Risk Factors
How AMD Is Diagnosed
OCT Scan
High-resolution imaging of the retinal layers.
Fundus Photography
Detailed photos of the back of the eye for ongoing monitoring.
Fluorescein Angiography
A safe dye highlights leaking vessels in wet AMD.
Amsler Grid & Acuity Testing
Checks for central vision distortion and sharpness.
Treatment Options
For Dry AMD
- • AREDS2 nutritional supplements
- • Diet rich in leafy greens, colourful fruit and oily fish
- • Smoking cessation and blood pressure management
- • Low vision aids such as magnifiers
For Wet AMD
- • Anti-VEGF injections to stop abnormal vessel growth
- • Laser therapy to seal leaking vessels in selected cases
- • Photodynamic therapy for certain presentations
In most cases lost vision can't be fully restored, but early detection preserves remaining vision and prevents further deterioration — wet AMD patients often regain some clarity after anti-VEGF therapy.
Conclusion
AMD is common, but it doesn't have to mean losing your independence. With regular eye exams after 50, early detection, and the right combination of lifestyle changes or treatment, most people continue to lead active lives. If you notice sudden distortion, blurred central vision or a dark patch, see an ophthalmologist promptly.
Frequently Asked Questions
Yes, though it typically begins in one eye first. Catching it early in the first eye can help prevent significant loss in the second.

Written by
Dr Parth ShahDr Parth Shah is director and principal ophthalmologist at Clarity Eye Surgeons, specialising in eye injections for retinal disease including AMD.
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