Symptoms of Wet Macular Degeneration 0
Symptoms of Wet Macular Degeneration
Symptoms of degrading vision often build slowly and go unnoticed for a long period of time until they reach a degree of severity that may no longer be ignored. One may notice that he or she now needs glasses to read the text of a favorite book or magazine. Headaches grow more frequent - the result of constantly strained eye muscles. Once bright and vibrant colors may even take on more dull and muted hues.
While many conditions may result in impaired vision, wet macular degeneration is one of the most common culprits. According to AMD.org, when one is afflicted with this form of macular degeneration the membrane beneath the retina thickens and eventually breaks, disrupting the supply of critical oxygen to the macula. In response to this assault, the body forms new, abnormal blood vessels which grow up from beneath the retina toward the macula. These new blood vessels are quite delicate and are prone to leaking, which leads to scarring of the macula. This causes damage to both the retina and macula and often results in a rapid degradation of vision that, once lost, cannot be restored.
As is often the case with illness, catching wet macular degeneration early is key so one may take action to minimize its negative effects. While the condition is fairly serious, there exist several treatment options that can be highly effective if applied early. Following are a few telltale signs of wet macular degeneration.
- Slightly blurred vision
- Visual distortions in which straight lines may appear curved or crooked
- Blind spots that most often appear in the middle of the visual field and that grow larger if left untreated
- Hallucinations that involve seeing objects, animals, or people that aren’t actually present
Along with watching for symptoms, it is also important to know the risk factors for wet macular degeneration. Taking steps to reduce these risk factors is a critical step to take along the path of risk reduction. Additional risk factors for developing this condition include:
- High blood pressure
- A diet high in saturated fats and simple carbohydrates
- Lack of exercise
Knowledge is power. With an increased awareness of both symptoms and risk factors, one can detect and guard against the development of wet macular degeneration before it has a chance to threaten his or her vision. Additionally, eliminating the additional risk factors for this condition will not only help to protect one’s vision, it will also contribute to an overall greater level of health and vitality.
Dr. Jenna Zigler
- Dr. Jenna Zigler
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Macular Degeneration In Young Populations 0
Macular Degeneration in Young People
Juvenile macular degeneration is an inherited condition. The defective gene that causes it can be inherited from one or both parents. It occasionally shows in children, teenagers and young adults, although congenital forms of macular degeneration are relatively rare.
People with Best Disease may not have any symptoms at all. The progression of the disease is also unpredictable because each person who has it is a unique case. They usually have it in both eyes, but the progression could even be different in each eye. If a child has a parent with Best Disease, they have a 50% chance of having it too.
It develops between ages 3 and 15, but may not be diagnosed until vision loss starts later in life. Its symptoms and stages are the same as those noted for Vitelliform Macular Dystrophy below.
Vitelliform Macular Dystrophy
Vitelliform Macular Dystrophy presents itself in adults. Less than a quarter of them have the mutated genes thought to be responsible for this dystrophy. The cause for the rest of the cases is unknown.
There are several stages in Vitelliform. They are the same no matter how the disease presents. People can skip stages or never progress beyond the first few. It is different for each sufferer. In the first stage, everything looks normal, but electro-oculography retinal tests begin to register abnormalities.
During stage two, lipofuscin builds up beneath the macula. Lipofuscin is a fatty yellow pigment that resembles an egg yolk, hence the disease having a name that means yolk (vitelline). Lipofuscin damages photoreceptor cells in the macula and can be seen during an eye exam. The rest of the eye looks normal.
In stage three, the lipofuscin can break through the retinal pigment epithelium (RPE) and accumulate in the subretinal space. During stage four, the lipofuscin breaks up and gives the build up and appearance of scrambled eggs. Vision deteriorates at this point. In stage five, the lipofuscin disappears, but the damage to the RPE remains.
In stage six, a yellow cyst forms under the RPE. Vision can remain normal, or as normal as the accumulated damage allows, for years. When the cyst erupts, the fluid deposits in the RPE and macula. It causes further vision loss though the patient retains their peripheral vision.
Stargardt's disease is the most common of all types of juvenile macular degeneration. Usually, both parents have a recessive gene for the disease, meaning that they do not have it and may not know they carry the gene. There is a form of Stargardt's disease that can be inherited from a parent who has a dominant gene. In that case, the parent definitely has the disease too.
A child with Stargardt's disease may complain of vision loss, but tests may come back normal. That is why it is often diagnosed later in life, as children are often not the best at relaying their symptoms. Symptoms may include blurred or distorted vision, small blind spots, moving blind spots, difficulty adjusting to different levels of light, and light sensitivity. There may even be a loss of color vision, and loss of depth perception.
As it progresses, changes will appear in the choroid (a layer of blood vessels that feed the macula). Later, small yellowish white flecks will appear in their retinal periphery. Unfortunately, not much can be done for treatment of Stargardt’s, although research continues to dive into future options. Do you know anyone with congenital macular degeneration?
Dr. Travis Zigler
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