An eye doctor using an autorefractor during an eye exam.

Treatments for Macular Degeneration

If you are diagnosed with age-related macular degeneration (AMD), you need to see your eye doctor regularly to determine how quickly your disease is progressing. Your doctor can:

  • Tell you how to control risk factors for AMD
  • Show you how to use the Amsler grid, a simple method by which you can regularly monitor and detect any subtle changes in your vision on your own

At the first sign of any visual changes—no matter how small they may seem—you should make an appointment with your eye care provider.

A close up of the nose and eyes of a senior man.

Dry Macular Degeneration Care

The first treatments for advanced dry macular degeneration (geographic atrophy) were approved by the U.S. Food and Drug Administration in 2023. The first, Syfovre, was approved in February 2023, followed by Izervay in September 2023. 

A specific high-dose formula of antioxidant vitamins and zinc may delay or prevent intermediate macular degeneration from progressing to the advanced stage.

The National Eye Institute’s Age-Related Eye Disease Study (AREDS) found that the progression of AMD could be delayed or prevented by taking nutritional supplements with a specific high-dose formulation of antioxidants (vitamins C and E and beta-carotene), zinc, and copper. A follow-up trial (AREDS2) was completed in May 2013. In that study, researchers found that the addition of omega-3 fatty acids to the supplements did not improve the formula’s success. The antioxidants lutein and zeaxanthin proved safer than beta-carotene, which increases the risk of lung cancer for smokers or ex-smokers.

An assortment of pills and supplements.

The AREDS2 recommendation for the supplement formula is:

  • 500 mg of vitamin C
  • 400 IUs of vitamin E
  • 10 mg of lutein
  • 2 mg of zeaxanthin
  • 80 mg of zinc
  • 2 mg of copper

It’s important to find the right vitamins, since many are marketed for eye health but only a few have formulas that have proven effective.

Treatments for Wet Macular Degeneration

Wet age-related macular degeneration (AMD) can be treated with injections of angiogenesis inhibitors into the eye, with photodynamic therapy, or with laser surgery. None of these treatments will cure wet AMD, but each may slow the rate of vision decline or stop further vision loss. However, the disease and loss of vision may also progress despite treatment. Options should be discussed with a doctor.

 

Branching blood vessels.

Photodynamic Therapy

Photodynamic therapy (PDT) is most effective in a subtype of wet AMD called predominantly classic subfoveal AMD, in which blood vessel growth and leakage in the fovea—the small region in the center of the macula—are well defined. It should be noted that PDT is rarely used now that there are drugs (EYLEA, Lucentis, and Avastin) that specifically block the vessel-promoting VEGF protein. During the PDT procedure, a drug called Visudyne® is injected into the arm. The drug courses through the body and is absorbed by the fragile, leaking blood vessels in the eye.

Because Visudyne is activated by light, the doctor directs a low-intensity laser at the retina for a little over a minute. This activates the Visudyne, allowing it to destroy the abnormal vessels. One treatment normally takes about 20 minutes and is relatively painless. The most common side effects of PDT include headache, injection site reaction, and blurred or reduced vision. Because the drug is activated by light, it is important to avoid exposing eyes or any part of the skin to sunlight or bright indoor light for up to five days after treatment. PDT may help to stabilize vision, but it will not restore lost vision.

 

Laser Surgery

A cross-section of the eye showing a laser going through the pupil and hitting the macular region of the eye.

Laser photocoagulation surgery was the first treatment used for wet AMD, but it is only an option for a small number of patients. During the outpatient procedure, the eye is numbed, and a high-energy laser heats, seals, and destroys abnormal leaky blood vessels. This can potentially prevent further vision loss, but it results in a permanent blind spot due to scarring. Some patients experience mild pain during and/or shortly after the procedure. When successful, laser surgery is done once. However, if new blood vessels grow, surgery may have to be repeated.

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