Glaucoma patients

Glaucoma is a disease that affects the eye. It causes damage to the optic nerve which sends images to the brain. The nerve is damaged by intraocular pressure, pressure in the eye. If left untreated, glaucoma can cause vision loss. There are two main types of glaucoma, open-angle or wide-angle glaucoma and angle-closure or narrow angle glaucoma. Open-angle glaucoma is the more common of the two. In open-angle the eye appears normal, however, fluid does not flow properly through the trabecular passage. Angle-closure is a sudden buildup in eye pressure.

Drainage is bad because the space between the iris and cornea is too small. There are sixty million people worldwide with glaucoma. There are 2. 2 million in the United States. 8. 4 million people were blind from glaucoma in 2010. Glaucoma can occur at any age but people that are over the age of 45 have a higher risk of getting it. People of different ethnicities have higher risks of glaucoma. The groups at risk are African Americans, Hispanic and Asian populations. Also if there has been prior injury to the eye there are higher risks.

The symptoms of Glaucoma change according to the different types. Open-angle glaucoma only has one symptom. That symptom is the loss of sight. In most cases peripheral vision is lost before the central vision. The problem is that the patient may not notice the loss of vision and the disease will get severe. Closed-angle glaucoma has more mild symptoms, however there are severe symptoms. The symptoms of CAG include vision suddenly getting blurry, pain, nausea, and halos around lights. Symptoms can affect either one eye or both.

Some symptoms of congenital glaucoma include watery eyes, cloudy appearance to the eye, and enlarged eye size. There are multiple ways that a doctor can test for glaucoma. These different procedures are aided by tools to help image the eye. These tools can expose the disease before symptoms occur. The first type is a tonometry. Tonometry measures the pressure of the eye. The patient sits resting their chin and forehead against rests to keep the head steady. In certain forms a probe is placed on the cornea to test the pressure.

In a no touch tonometry a puff of air is blown in the eye. Next is a visual field test. This form is useful in testing because in glaucoma patients often lose peripheral vision first. This type of test can help determine if the vision is being lost. In this test the patient is asked to look at a computer screen and press a button whenever they saw a flash of light. With that information doctors can see the field of vision. One of the most important methods in diagnosing glaucoma is an ophthalmoscopy. The doctor can look at the optic nerve through the pupil.

Doctors can then see if glaucoma is there or how bad it is. There are many different procedures of laser surgery for glaucoma. The first of these is a laser iridotomy. A laser iridotomy is where a hole is made in the iris to allow fluid drain normally. Next is Laser trabeculoplasty. This is only done in open-angled. Laser burns on the angle make a better passage for fluid to drain. It only lasts for around two years. The procedure would then be redone. Laser trabeculoplasty has two types, argon laser trabeculoplasty and selective laser trabeculoplasty.

Argon is normally not repeated because as a result of the procedure there is a buildup of scar tissue. Selective does not produce scar tissue so multiple attempts are possible to do. A laser cyclo-ablation is another form. This type is reserved for severe cases of glaucoma only. This procedure takes the part of the eye that produces aqueous fluid and laser burns or freezes it. With the decrease in production the pressure also decreases. This is normally the last resort if other therapies do not work. The next type of surgery There are a variety of surgeries that can be done.

A trabeculectomy is an operation where a piece of the trabecular is removed to make a new drain. It is the most common surgery done. If done correctly then it effectively lowers eye pressure. Other forms are aqueous shunt devices. Aqueous shunt devices are implants or tubes to lower the pressure. They are pretty much tubes attached to a plate that collects fluid. The tube is placed in the eye creating a drain for the fluid. Next is a viscocanalostomy. A viscocanalostomy is an alternative to getting surgery done. This involves removing part of the sclera and only leaving a thin membrane.

This procedure is less effective than the others. Unfortunately there is no way to prevent glaucoma. However, exercise and a healthy diet are recommended to stay healthy both physically and mentally. A healthy lifestyle can assist in lowering the risk of getting glaucoma. High levels of caffeine have been linked to high eye pressure. Prevent overexposure to the sun and wear protective goggles when necessary. The most effective thing to do is to get regular eye exams. Although glaucoma cannot be prevented, it can be controlled by early diagnostic and treatment.

Glaucoma is known as the silent thief of sight. Most people with glaucoma do not register the symptoms and therefore it goes unnoticed in the beginning stages. According to the CNIB it is the second leading cause of blindness in …

Mumbai, India – May 5, 2014 – A group of diseases that cause irreversible damage to the optical nerve and results in the loss of vision, glaucoma still doesn’t have any cure, despite the significant advances being made in the …

Glaucoma is one of the leading causes of permanent blindness around the world that is preventable. This disease takes away the sense of sight slowly and there are no warning signs most of the time. The damage caused is permanent …

Glaucoma is one of the leading causes of permanent blindness around the world that is preventable. This disease takes away the sense of sight slowly and there are no warning signs most of the time. The damage caused is permanent …

Glaucoma is a group of eye disorders that cause blindness by hurting the optic nerve, which is the large nerve that is responsible for vision. In glaucoma, the optic nerve damage is related to a change in the fluid pressure …

I.                   INTRODUCTION Vision gives you a sense of control over your immediate environment. Being able to see the world around you gives you the ability to respond to it appropriately. Vision gives us the ability to interact with our environment …

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