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What You Should Know About Macular Degeneration

Written By: Rahul Khurana, MDEdited By: David TurbertJan. 11, 2021

There is a worrying lack of awareness when it comes to age-related macular degeneration (AMD). AMD is the leading cause of blindness in seniors. The disease harms central vision and limits a person’s ability to read, write and recognize faces. Older Americans who are unaware of the disease may be putting themselves at risk. The good news is that they can protect their sight with routine eye exams and some lifestyle changes. New treatments and protective steps can help people with AMD avoid vision loss.

What ophthalmologists want you to know about age-related macular degeneration

“I talk to patients about AMD, its risk factors and treatment options every day,” says ophthalmologist and Academy spokesperson Rahul Khurana, MD. “Here are the things I tell my patients and that everyone should know.”

1. AMD may develop silently, with no early symptoms

In the earliest stages of AMD, you may not notice any changes to your eyes or vision. But at the same time, an early diagnosis allows for timely treatment. So how can you be sure to catch the disease early without obvious symptoms?

The best defense is to get a comprehensive eye exam, even if you don’t need glasses or contacts. The American Academy of Ophthalmology urges adults with no symptoms to have an eye exam at least by age 40. After age 65, it’s important to get an exam every one to two years. But don’t wait until age 40 if you notice problems with your eyesight or have eye discomfort.

2. Family history shapes your risk of AMD

If you have a close family member with AMD, you have a greater risk of getting the disease. Before your next eye exam, speak with your family about their eye health history. Catching AMD early could better your chances of saving your sight.

3. Treatments for macular degeneration are more effective than ever

Fifteen years ago, there was little that we could do to stop AMD from stealing people’s vision. The most advanced form of disease, called “wet” AMD because it causes fluid to leak from blood vessels in the eye, often caused blindness. Thanks to major advances in treatment, such as the use of anti-VEGF drugs, fewer people are going blind. Sight-saving options are available to treat wet AMD. As an eye physician and surgeon, it is a relief to know that I can give these options to my patients.

In the future, treatments like stem cell therapy for AMD may be available to prevent vision loss from AMD. Vision aids like Oculenz someday may help people with AMD live independent lives.

4. Vitamins can slow AMD (but not in all cases)

If you have AMD, you may have heard that the AREDS 2 vitamin formula can help slow the disease. Clinical trials show that these vitamins for AMD can help with intermediate or advanced AMD in one eye. Trials have not shown that they prevent AMD in people who do not have the disease.

5. Smoking increases your risk of macular degeneration

Many studies have found that smoking cigarettes can increase risk of AMD. Smoking also increases the speed at which the disease worsens. If you smoke, you are twice as likely to get AMD compared with a nonsmoker. The good news is that stopping smoking is the best action you can take to lower your risk of AMD. People who quit smoking 20 years ago have the same risk of AMD as people who have never smoked.

6. Daily vision checking at home is effective at monitoring AMD progression

The Amsler grid is a simple chart that people with dry AMD can use at home to check for changes. All you have to do is look at it once every day! Learn how to use the Amsler grid to track progression and risk of AMD-related vision loss.

7. Eating certain foods may cut your risk of macular degeneration

Studies have shown that foods rich in omega-3 fatty acids are good for eye health. Studies link eating these foods with a reduced risk of AMD — but not when taken as supplements. Other nutrients that help eye health include lutein, zeaxanthin, zinc and vitamin C.

To help cut AMD risk and maintain eye health, eat foods such as:

  • cold-water fish (such as salmon and tuna),
  • citrus fruits,
  • kale,
  • spinach,
  • corn,
  • broccoli,
  • squash, and
  • black-eyed peas.

Try some eye-healthy recipes (PDF 3 MB) as well.

8. Exercise can help protect your vision as you age

Many studies show getting regular exercise can benefit your eyes. One study found that exercising three times a week reduced the risk of getting wet AMD by 70%. Studies also show that exercise reduces the risk of all stages of AMD.

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