Macular degeneration is a severe eye condition during which the nerve cells, most important departments of the retina, degenerate. The disease can happen both to men and women in equal measures and it usually occurs in the older age. Macular degeneration mainly affects the part of the retina, known also as the yellow spot. Macular degeneration can also be called macular devolution.
Most commonly observed symptoms of macular degeneration
Early signs of macular degeneration could be detected only during the visit to the special eye doctor, called ophthalmologist. With the gradual progression of the AMD the patient experiences such symptoms of macular degeneration as decrease in vision and fogged areas which appear in the visibility line.
Sometimes the first symptom is some kind of vision problem in the one eye, when the thin straight lines appear to be wavy. Vision in the outer parts of the visual field (peripheral) is usually not affected. Other symptoms are:
Currently, the most well-known treatment for macular devolution is intravitreal (inside the eye) treatment. The introduction of Lucentis caused a revolution in the macular degeneration treatment. Lucentis is a drug that block the growth of neMacular degeneration
Doctors know such variations of macular devolution as:
The dry macular devolution
This macular devolution is the most common form of macular devolution, which happens 8 out of 11 cases. Doctors also attribute the dry form of degeneration of the retina to age of the patient. The form of dry macular devolution of the retina can begins with yellow-white accumulations. Over time, these accumulations merge together and become solid consistency than can disrupt the normal functioning of the retina and its supporting cells. As a result, macula becomes thin and damaged. All blood vessels under the macula and retina can cease to function properly. Such process is called atrophy. Damage to of these tissues leads to the damage of the eye part, responsible for main vision. The form of dry age-related macular devolution of the retina is characterized by its slow development.
Eyesight often deteriorates gradually and does not lead to significant consequences.
In most cases, the disease begins in one eye and only occasionally affects the other eye.
Some patients who have the dry form of macular devolution of the retina can experience its wet form, which is more severe.
Specific treatment for treatment for thyroid cancer of this kind does not exist, but as a rule, it does not cause significant pathology of visual impairment that could affect the patient's quality of life.
The wet devolution
The wet devolution of macular is much less common, but its negative impact on the eyesight of the patient is much greater. The wet form of age-related macular devolution of the retina is responsible for 7 out of 11 cases of blindness caused by this disease.
This other form of devolution of the retina often develops in areas already affected strongly by the dry form of this disease, especially in case of damage the deeper layers of the retina. Affected blood vessels are characterized by fragility and constant bleeding under the macula. In this case the shape and position of the macula an also change.
Symptoms of the wet form of macular devolution
The wet macular devolution that is age related affects one eye or both eyes of the patient.
Loss of full vision is developing rapidly.
Loss of full vision is irreversible.
Blindness as a final result of the disease occurs very often
In some cases, wet macular degeneration treatment may slower or stop the loss of sight, but the effect of therapy is usually not prolonged.
Ways of treating macular degeneration vary a bit. In the early forms a doctor may use a laser, which block the blood vessels from the liquid leakage. This treatment is used for such groups:
If the activity of blood vessels is too high, the patient requires immediate surgical intervention.
Surgery is used for both types of macular devolution. Macular degeneration surgery is aimed mainly at improving the blood supply to all parts of the retina. Also cardiovascular drugs and microsurgery can improve the blood flow in the eye
Another method for treating AMD is macular degeneration injections. This method administers drugs directly into to the eye cavity. They are called intravitreal injections.Such injection must be performed in a perfectly sterile environment.
Laser surgery and photodynamic therapy can also irradiate the dystrophic layers.
Doctors examine patients for visual acuity. If the notice any decrease in visibility, the conduct fundus examination, as well as specialized high-tech techniques such as optical coherence tomography. Tomography provides a virtual image of retinal slice. So it is really possible to observe the dynamics during the treatment. A fluorescein angiography evaluates the state of all blood vessels, the activity of dystrophic process and determines how the treatment goes.
Some may dillusionary think that glasses can improve the eye vision during the macular devolution. Unfortunately it does not help. If macular devolution is mostly caused by the age, there is no truly effective way to boost the visibility level. A patient may compare the eye with a film camera system. If the lens in the camera are broken, there is little chance to make camera shoot normally again.
In many cases people actually can prevent the eye loss. If they treasure their vision during their lifetime, the chances for AMD are very slow.
The prevention includes:
Big amount of green, loafy vegetables such as cabbage and spinach
Big amount of carrots
Enough amount of fish, that contains calcium
The person needs to always control his blood pressure and prevent its high rate
The person needs to always wear sunglasses if the weather is particularly sunny
It would also be a particularly good idea to use special care drops during the work with computer and other devices, that require long concentration.
At least once a half year a person needs to undergo usual check-up at the doctor.Hide
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