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  • Category: Ophthalmologist

    Preventive measures and Cure for Glaucoma

    Do you want to know the preventive measures for Glaucoma? get to know from our experts here.

    Glaucoma is the second leading cause of blindness. It's a non curable, chronic disease and loss of vision cannot be regained once lost. There is lack of preventive measures for treating glaucoma in the developing countries. Most people are unaware of the disease and are prone to losing their eyesight. All range of people are at risk of glaucoma. Older people are more at risk of this disease. Thousands of babies are born with glaucoma.

    1. How to prevent Glaucoma?
    2. What are the symptoms of this disease?
    3. Is there any food that helps in preventing Glaucoma?
  • Answers

    1 Answers found.
  • Glaucoma refers to eye-related disorders that causes problem to optic nerve which sends signal to the brain. It is generally found in people above 40 years of age. But sometimes it can also be found in young adults and infants. It is very difficult to recognize if a person has Glaucoma or not at the initial stage, because it has very negligible or no symptom. But if someone has been suffering from Glaucoma, he/she can be diagonised and treated. Glaucoma treatment generally includes eye drops prescribed by the physicians, laser surgery and micro-surgery.

    1. Eye drop treatment : These drops reduce the formation of fluid in the front of the eye or in some cases increase its outflow.These drops may also cause side effects.These side effects may include allergy, redness of the eyes, blurred vision, and irritated eyes. Some Glaucoma drugs can also affect the heart and lungs.
    2. Laser surgery: Laser surgery slightly increases the outflow of the fluid from the eye or eliminates fluid blockage.Laser surgery for glaucoma includes trabeculoplasty in which a laser is used to open the trabecular meshwork drainage area. Another is iridotomy in which a tiny hole is made in the iris that allow the fluid to flow more freely. Third one is cyclophotocoagulation in which a laser beam is used to treat areas of the middle layer of the eye to reduce the production of fluid.
    3. Micro-surgery: It is an operation which is called trabeculectomy. In this operation a new channel is created to drain the fluid which reduces intraocular pressure that causes glaucoma. Sometimes microsurgery fails and must be re-done. Sometimes, a glaucoma implant, a tube that helps to drain fluid from inside the eye, is the best option. Open-angle Glaucoma is generally treated with various combinations of eye drops, laser trabeculoplasty, and microsurgery. If a person is born with it then it is primarily treated with surgery, because the cause of the problem is a very distorted drainage system.

    Glaucoma can not be prevented but it can be diagonised and treated under time. So, tegular check-up is necessary to know if a person is facing this problem, especially if he/she has family history of Glaucoma. Food items which are rich in vitamin A, like milk, carrot, tomato, green leafy vegetables and fruits, must be taken by Glaucoma patients.

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    -How to prevent Glaucoma?
    You may not be able to prevent glaucoma. But these self-care steps can help you detect it early, limit vision loss or slow its progress.
    • Get regular eye care. Regular comprehensive eye exams can help detect glaucoma in its early stages before irreversible damage occurs. As a general rule, have comprehensive eye exams every four years beginning at age 40 and every two years from age 65. You may need more frequent screening if you're at high risk of glaucoma. Ask your doctor to recommend the right screening schedule for you.
    • Know your family's eye health history. Glaucoma tends to run in families. If you're at increased risk, you may need more frequent screening.
    • Exercise safely. Regular, moderate exercise may help prevent glaucoma by reducing eye pressure. Talk with your doctor about an appropriate exercise program.
    • Take prescribed eye-drops regularly. Glaucoma eye-drops can significantly reduce the risk that high eye pressure will progress to glaucoma. To be effective, eye-drops prescribed by your doctor need to be used regularly even if you have no symptoms.
    Wear eye protection. Serious eye injuries can lead to glaucoma. Wear eye protection when using power tools or playing high-speed racket sports on enclosed courts.
    What are the symptoms of this disease?
    Glaucoma is a complicated disease in which damage to the optic nerve results in vision loss.
    There are several forms of glaucoma; the two most common forms are primary open-angle glaucoma (POAG) and angle-closure glaucoma (ACG). Open-angle glaucoma is often called "the sneak thief of sight" because it has no symptoms until significant vision loss has occurred.
    Symptoms of Open-Angle Glaucoma
    There are typically no early warning signs or symptoms of open-angle glaucoma. It develops slowly and sometimes without noticeable sight loss for many years.
    Most people who have open-angle glaucoma feel fine and do not notice a change in their vision at first because the initial loss of vision is of side or peripheral vision, and the visual acuity or sharpness of vision is maintained until late in the disease.
    By the time a patient is aware of vision loss, the disease is usually quite advanced. Vision loss from glaucoma is not reversible with treatment, even with surgery.
    Because open-angle glaucoma has few warning signs or symptoms before damage has occurred, it is important to see a doctor for regular eye examinations. If glaucoma is detected during an eye exam, your eye doctor can prescribe a preventative treatment to help protect your vision.
    In open-angle glaucoma, the angle in your eye where the iris meets the cornea is as wide and open as it should be, but the eye's drainage canals become clogged over time, causing an increase in internal eye pressure and subsequent damage to the optic nerve. It is the most common type of glaucoma, affecting about four million Americans, many of whom do not know they have the disease.
    You are at increased risk of glaucoma if your parents or siblings have the disease, if you are African-American or Latino, and possibly if you are diabetic or have cardiovascular disease. The risk of glaucoma also increases with age.
    Symptoms of Acute Angle-Closure Glaucoma
    • Hazy or blurred vision
    • The appearance of rainbow-colored circles around bright lights
    • Severe eye and head pain
    • Nausea or vomiting (accompanying severe eye pain)
    • Sudden sight loss
    In angle-closure glaucoma (also called narrow angle glaucoma), the angle is closed in many or most areas, causing increased eye pressure, which leads to optic nerve damage, and possible vision loss. This rise in eye pressure may occur suddenly (an acute attack of angle closure) or gradually. There are also early stages of the disease in which the angle is closed but the eye pressure may or may not be high and the optic nerve is not affected yet.
    Symptoms of acute angle-closure glaucoma are very noticeable and damage occurs quickly. If you experience any of these symptoms, seek immediate care from an ophthalmologist.
    If you are diagnosed with glaucoma, it is important to set a regular schedule of examinations with your eye doctor to monitor your condition and make sure that your prescribed treatment is effectively maintaining a safe eye pressure.
    Glaucoma and its symptoms can have a life-changing impact on anyone.
    Is there any food that helps in preventing glaucoma?
    Eating the right foods may help to reduce the risk of glaucoma, prevent the disease, and help people to maintain healthy eyesight longer in life.
    Doctors have known for some time that too much salt can increase overall blood pressure, leading to increased intra-ocular pressure in the eyes, exacerbating glaucoma. Therefore, moderate salt consumption has been a standard dietary recommendation for those with, or at risk for, glaucoma. But the Spanish study goes further, examining the diets of people in two American ophthalmological studies, and in one study from Rotterdam.
    According to these large population studies, intake of foods rich in retinol— a form of vitamin A— helps to reduce the risk of glaucoma. Retinol-rich foods include milk, liver, cheese and butter. Interestingly, there was no evidence that a diet rich in dietary fats has any role in the promotion of glaucoma, even though it is well established that, in general, excessive intake of fats contributes to obesity and cardiovascular disease.
    Digging deeper, the researchers saw a correlation between lower rates of glaucoma and higher consumption of leafy green vegetables (notably cabbage), carrots, fruits and fruit juices in general, and especially orange-colored fruits such as peaches and apricots.
    The Spanish study also recommended high antioxidant foods including green tea, chocolate (the darker and more bitter the better), coffee (skip the sugar and go easy on the cream), and regular black tea. At the same time, they cautioned that those who have well-established cases of glaucoma should consume little or no caffeine, as that can increase intraocular pressure and exacerbate the disease.
    To a great extent, the study highlighted the benefits of the usual suspects. Leafy green vegetables and colorful foods are cited for their protective, disease-preventing benefits, due largely to their concentration of beneficial antioxidants. Flavonol-rich foods, notably tea, green tea, coffee and chocolate, offer preventive benefits that extent to glaucoma. And red wine, with its significant antioxidant load, is also recommended.
    In the glaucoma study, the researchers provided a seven-point set of guidelines for reducing risk. They are:
    1. Consume abundant amounts of colorful fruit and vegetables.
    2. Avoid high intake of salt in patients with hypertensive glaucoma.
    3. Refrain from high-calorie diets (restricting fat) to avoid an increase in body fat.
    4. Consider eating fish or nuts rich in omega-3 PFA, which appear to reduce risk.
    5. Avoid drinking large amounts of liquid in a single take. It is preferable to drink small amounts in the course of the day.
    6. Consume moderate amounts of red wine, black chocolate and green tea.
    7. Avoid coffee and caffeinated beverages into reduce increased blood pressure if you already have glaucoma.
    Hundreds of years ago, Hippocrates, regarded as the father of modern medicine, said: "Let your food be thy medicine." Our grandmothers said pretty much the same thing. Now it appears that even with a leading cause of blindness, this advice is sage indeed.

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