This year World Glaucoma Week will run from 11th March – 17th March and its purpose is to raise awareness of this eye condition. Here I will go through what glaucoma is and how it can be treated.
What Is Glaucoma?
Glaucoma聽is a common eye condition where the optic nerve, this is the nerve that connects the eyes to the brain, becomes damaged. Glaucoma is commonly caused by a build up of pressure inside of the eye. The eye ball itself contains a fluid which the eye is continually producing, and any excess fluid is drained away through tubes. When this excess fluid cannot be drained away as normal it builds within the eye Wholesale Jerseys Cheap , which in turn, increases the eye pressure, also called intraocular pressure (IOP). The excess fluid can then damage the optic nerve which can cause vision loss and if left untreated can cause blindness.
Types of Glaucoma
There are various types of glaucoma and the main 4 are:
1. Chronic Open-Angle Glaucoma聽– this type of glaucoma is the most common and develops slowly over time.
2. Primary Angle-Closure Glaucoma聽– this type of glaucoma is rare and can develop slowly like open-angle glaucoma, but it can also develop very quickly with a sudden onset of painful pressure within the eye.
3. Secondary Glaucoma聽– this type of glaucoma is caused as a result of an eye injurytrauma or as a secondary to another eye condition.
4. Congenital Glaucoma聽– this type of glaucoma is another rare type developing in children and is normally caused due to an abnormality of the eye.
Symptoms of Glaucoma
For many people that develop glaucoma Wholesale Jerseys Free Shipping , especially with the most common type, there may be no symptoms initially. Symptoms develop slowly over time and will only then start to affect the peripheral vision. For this reason, it is imperative for everyone, especially those with a family history of glaucoma Wholesale Jerseys From China , to visit an eye clinic at least every two years as this is often the place where glaucoma is picked up first. Apart from the most common type of glaucoma and its symptoms, sometimes more rare glaucoma can have a sudden onset of symptoms such as a headache, nausea, eye pain Wholesale Jerseys China , blurred vision, and red eyes. If any of these symptoms are experienced it is vital to see an聽ophthalmologist聽or optician as soon as possible.
Treatments for Glaucoma
As soon as glaucoma has been diagnosed, there will be treatment options discussed.
1. Eye Drops聽– treating glaucoma with eye drops is probably the most common treatment and will likely be what the majority of people will be started on at diagnosis of the condition. Eye drops help lower the eyes internal pressure and keep this under control to avoid the build up of pressure damaging the optic nerve. It is important to follow the exact instructions given by the eye specialist when using these drops to make sure they are as effective as possible.
2. Laser Treatment聽– if eye drops are not being effective enough in treating glaucoma, then laser treatment may be offered. There are two types of laser treatment that can be done for glaucoma; the first is using the laser to open the blocked tubes Wholesale Jerseys , which are used to drain the eyes fluid, by making small holes in the tubes thus allowing more fluid to be drained. The second option is to use the laser to destroy some of the tissue that makes the fluid, which allows less fluid to be produced and in turn lowers the eyes pressure.
3. Surgery聽– the last option that may be offered is surgery to improve drainage. There are various surgical options, but the most common one is called a trabeculectomy. During this surgery some of the trabecular meshwork (tubes to drain the fluid) are removed which then allows for normal drainage of the fluid and lowers the internal eye pressure.
There is no way to prevent glaucoma Cheap NFL Jerseys , but early detection of the condition and treatment can help ensure it is controlled, stop vision getting worse, and prevent any further damage. Any damaged previously caused by glaucoma to the optic nerve cannot be reversed.
If you suspect any symptoms of glaucoma make sure you book an appointment with your eye clinic and always attend regular eye tests.
Finding that your images are blurred can be a real disappointment especially if you have gone to some lengths to get the shot you wanted or if the shot would have had some value for you or someone else.
Blurred images, as well as being common Cheap Jerseys China , are also difficult, even with digital cameras, to see at the picture taking stage. The small LCD screen on most digital cameras can make even blurred images appear to be sharp, especially if there is a lot of ambient light making the screen difficult to visualise.
Sometimes Cheap Jerseys , it is only when you see your images on the computer screen that you realise that the pictures are blurred. Then it is too late.
Here's how to avoid blurred images:
1. Prepare yourself beforehand: know what shot you are going to take, how and when. Make sure you are in control of your camera settings and that you keep the subjects (where appropriate) under some sort of control. In this way you will avoid hurriedly taken shots.
2. Focus accurately: it may sound simple, but even automatic focussing can be beset with difficulties - know where your camera is focussing (centre, off-centre) and how the mechanism works; ensure there is enough light to focus with and avoid focussing on flat or highly reflective surfaces
3. Get the eyes!: in any sort of portrait or group shot Wholesale New NFL Jerseys , the eyes are the most important part - a subject with out of focus eyes wil look abnormal and less appealing
4. Correct your shutter speed: if you use a slow shutter speed (less than 160th second) then you will be at risk of blur from camera shake.
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