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Home » Eye Care Services » Your Eye Health » Eye Diseases » Macular Degeneration » Forms of Macular Degeneration

Forms of Macular Degeneration

There are two forms of macular degeneration, dry (non-neovascular) or wet (neovascular). The term neovascular refers to the growth of new blood vessels.

Dry AMD (non-neovascular)

Dry AMD is the most common form of the disease, making up about 85%-90% of all cases of AMD. It is characterized by blurred central vision or blind spots, as the macula begins to deteriorate. Dry AMD is an early stage of the disease and is less severe than the wet form,.

Dry AMD occurs when the aging tissues of the macula begin to thin out and break down. Tiny pieces of white or yellowish protein called drusen begin to appear, which are thought to be deposits from the macular tissue as it deteriorates. The appearance of these drusen are often what leads to a diagnosis of AMD during an eye exam.

With dry AMD vision loss happens gradually, however, the dry form can progress to wet AMD rapidly. There is currently no cure for dry AMD, however there is research that shows that some people can benefit from supplemental vitamin therapy including antioxidants, lutein and zeaxanthin.

Wet AMD (neovascular)

Wet AMD is less common occurring in only about 10 percent of those with AMD. AMD is classified as Wet AMD when abnormal blood vessels begin to grow under the retina and leak fluid and blood into the macula, resulting in blind spots and a loss of central vision. Wet AMD can cause more damage to vision and permanent scarring if not treated quickly, so any sudden blur in vision should be assessed immediately, especially if one is aware that they have AMD. Usually vision loss happens faster and is more noticeable than in dry AMD so the quicker it is treated, the more vision you can preserve.

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To our Greenway Plaza patients,

We want you to know that our offices are here for you during these uncertain times.   Though the Greenway Plaza location is temporarily closed, as an essential service provider in our communities, we will continue to serve any of our patients at our Willowbrook and Deerbrook locations.  To ease the burden on the system, we would advise patients to avoid hospitals/urgent care for red-eye issues.  Patients unable to present for services in-person can call for assistance and we are available to take contact lens orders over the phone.  Our Greenway location will resume services as soon as possible, but we are happy to provide service at our Willowbrook and Deerbrook locations if assistance is needed sooner.

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