What Causes Blindness?
Vision loss and blindness can be caused by several factors. These factors can be genetic, environmental or accidental. In order to better comprehend how blindness can affect the individual, it is important to understand what blindness is. Sep 04, · Common causes of blindness include diabetes, macular degeneration, traumatic injuries, infections of the cornea or retina, glaucoma, and inability to obtain any glasses.
Share on Facebook! Vision loss and blindness can be caused by several factors. These factors can be genetic, environmental or accidental. In order to better comprehend how blindness can affect the individual, it is important to understand what blindness is.
A person can also be considered legally blind if their visual field, that is what they perceive to either side of them is 20 degrees or less. For the purposes of this article, we will look at the top five eye conditions ccaused cause blindness: Cataracts, Glaucoma, Age-Related Macular Degeneration, Diabetic Retinopathy and Retinitis Pigmentosa.
Other conditions do exist, however, they will not be discussed here. Cataracts are caused by the clouding of the lens of the eye. This means that the light that comes through the pupil and passes through the lens to be focused to the retina is blurred. This will what is blindness caused by your vision to become cloudy, blurry and, or, dim.
Colors may not seem as bright or vivid as before. This condition occurs gradually and you may not notice it at first.
Cataracts can be treated with surgery. It is caused by excess fluid in the eye which increases the eye pressure. How to cook knockwurst and sauerkraut fluid is called aqueous humor. It is produced in the front portion of the eye and leaves the eye through the drainage angle. This keeps the intraocular pressure, at a healthy level. This pressure may vary from person to person.
When the fluid does not leave the eye correctly, it will cause pressure to increase which will gradually damage the optic nerve.
There are several types of glaucoma. Open-angle Glaucoma is the most prevalent and happens when your eye can no longer drain fluid efficiently, causing the pressure to build. Open-angle Glaucoma has no early symptoms. As it progresses the optic nerve will become damaged, and you will start to notice blank spots in your field of vision. These spots will grow larger until all optic what is blindness caused by are damaged, at which point, you will be blind.
Normal Tension Glaucoma is characterized by low pressure in the eye. This type of Cused can also cause nerve damage and loss of vision. Treatment for both Open-angle Blindnfss and Normal tension Xaused is the acused. The disease can be managed by prescription eye drops or surgery.
Unlike How to get facebook on mobile Open-angle Glaucoma however, Primary Acute Closed-angle Glaucoma happens quite suddenly and should be attended to immediately. It results from a buildup of fluid because the drainage system is blocked and fluid can blkndness longer drain from the eye. Macular Degeneration destroys the light sensitive cells in the macula, the part of the eye that lets you see objects in great detail.
Often, the progress of AMD is so slow that you do not notice any change in your vision, but it can progress quickly as well. There are two types of Macular Degeneration: wet and dry. Wet Macular Degeneration occurs when irregular blood vessels begin growing behind the retina under the macula. Dry Macular Degeneration is caused by the breakdown of light sensitive cells in the macula causing the central vision to blur.
The treatment for Wet Macular Degeneration includes surgery. At this time, no treatment exists for Dry Macular Degeneration. Diabetic Retinopathy is caused by diabetes. It affects the retina, the part of the eye sensitive to light. It is a result of high blood glucose, or sugar, over a prolonged period of time. High blood sugar prevents the blood vessels in the back of the eye from delivering the proper nutrients to what does lsd stand for in cars retina.
Early on in the progress of the disease, these blood vessels will leak fluid and will cause site distortions. As the disease progresses, new blood vessels are formed around blinvness retina and in the vitreous humor. These blood vessels will bleed making the vision cloudy and eventually causing the retina to detach.
If not treated, a retinal detachment may cause permanent blindness. Vision loss caused by Diabetic Retinopathy can be prevented by laser surgery, a proper wuat and controlling your blood glucose levels and blood pressure. It is a geneticly inherited disease. The symptoms include loss of night vision and peripheral vision. While research is on-going, there is no cure at this time. Minneapolis, MN Phone: Toll Free: Fax: Email: info blindinc.
Eye Conditions and Their Causes Vision loss and blindness can be caused by several factors. Cataracts: Cataracts are caused by the clouding of the lens of the eye. Age-Related Macular Degeneration: Macular Degeneration destroys the light sensitive cells in the macula, the part of the eye that lets you see objects in great detail.
Diabetic Retinopathy: Diabetic Retinopathy is caused by diabetes.
Aug 07, · Blood testing can measure your vitamin A and glucose levels. Night blindness caused by nearsightedness, cataracts, or vitamin A deficiency is treatable. Author: Marissa Selner. Oct 15, · “Diabetic retinopathy is a serious, sight-threatening complication of diabetes and the leading cause of blindness in American adults aged 20 to Author: Elaine K. Howley.
Blindness is known as the state of being sightless in both of the eyes. A totally blind person is not able to see anything, even light. This means that even with contact lenses, eyeglasses, medicine or even surgery, an individual does not see well. The terms blindness and blind have been modified to contain a large range of visual impairment. In the world, there are million people who are visually impaired because of various causes.
In this group, nearly 50 million people are completely blind and they are unable to see light in both eyes. In the article today, I would like to reveal some of the most common causes of blindness in details, so you should keep the head on the following interesting health facts and the major causes of blindness that you can suffer from.
The major causes are:. Cataracts are the first out of the major causes of blindness that I would like to introduce in this entire article and want you and my other readers to learn and prevent cataracts for good!
They are a clouding of the lenses occurring in the eyes. They will affect the vision and they are common in the elderly. They are one of the main causes of blindness.
Some of the common symptoms of cataracts are blurry vision, unable to see at night, colors that seem faded, double vision and regular prescription changes in the eyewear. To treat this eye problem, patients need to use anti-glare sunglasses, new glasses or magnifying lenses at first. Besides, surgery is also a good option for you. It involves in removing the clouding and then displacing it. Wearing a hat with a brim and sunglasses to block ultraviolet rays may aid to prevent cataracts.
Cataracts are actually a major cause of blindness, so pay attention to it! Macular degeneration is one of the common causes of blindness at age 60 and older. It is a disease, which can damage the central vision needed to see well.
This also affects the possibility to read, watch television, drive and do daily activities. Age-related macular degeneration affects the macula that allows you to see objects clearly. It does not hurt, yet makes cells in the macula die. In some instances, this condition progresses slowly so people find difficult to notice little change in vision.
In some cases, this disease advances faster and may cause vision loss in both of the eyes. Although there is no treatment for macular degeneration disease at this time, regular eye exams can find this disease, thus treatment can be more effective.
Besides, a study showed that a combination of minerals and vitamins can slow the development of this disease. This is, in fact, one of the common causes of blindness that people should know and try to find out the way to prevent it from being serious. Glaucoma affects the optic nerve of eye and is one of the common causes of blindness. It often occurs when the fluid pressure slowly increase inside the eyes, thus damaging this optic nerve. There is often no clear symptom of glaucoma.
There are some groups of people should get a comprehensive eye exam at least every 2 years. They are people over 60 years old, especially Hispanics; African- American people over 40 years old and people with a family history of this disease. To deal with this glaucoma disease, they include surgery and prescription eye drops.
There is no cure for this disease. Early treatment can limit glaucoma before blindness or vision loss really occurs. New study is focusing on lowering the pressure inside the eye and finding medications in order to protect the optic nerve from the damage that can lead to vision loss. In fact, this is also among the major causes of blindness, so people should pay attention to this disease to minimize the risk of vision loss.
Diabetic retinopathy is caused by diabetes. It can cause the vision loss of people diagnosed with diabetes at age 18 or older. Therefore, people with diabetes should get a comprehensive eye exam at least once a year. Diabetic retinopathy can be treated with laser surgery or surgery. In the long run, people need to control blood sugar, cholesterol levels, blood pressure as well as regularly follow up. This is in brief one of the common causes of blindness, so people should not look down it, but prevent it and enjoy a good eyesight.
According to a research, rubella or called German measles is associated with blindness. Neither adult nor child is likely to be affected permanently by this problem, but an unborn baby may be harmed very much. In case a woman, who is pregnant has this disease during the first 3 months of her pregnancy, the disease may affect her unborn child with serious results. Many babies are born to have physical problems such as heart disease, respiratory difficulties and hearing disorders.
Many babies have cataracts, glaucoma, or defects in the retina or iris. Some preventive efforts should be made to minimize this risk to the unborn children. For example, women who may be in the early period of pregnancy should avoid getting any contact with cases of rubella. This is actually also one out of the common causes of blindness that a lot of pregnant women in the world have to vaccinate to prevent their unborn babies from the threat of blindness.
Another out of the major causes of blindness that I would like to reveal in this entire article and want you and my other readers to know and remember to prevent is that ophthalmia neonatorum can be cause of blindness. The name of this disease means inflammation in the eyes of a newborn child.
It is one of the common causes of blindness, but now it can be preventable by modern hygiene as well as medical care. This disease occurs soon after birth, yet it is not inherited. It is caused by the bacteria from the birth canal of the mother into the eyes of the baby. Inflammation occurs in the cornea and eyelids and may be worse if not treated accordingly. Continue reading this entire article to discover other major causes of blindness! This is also one of the major commons of blindness, which people should learn and make use for good, especially those struggling with abnormal conditions of the optic nerve.
Both conditions of the optic nerve may be a special concern of people who work with children. The optic nerve atrophy results from a condition after birth, but it can be inherited as well.
Frequently, it results from resultant loss of blood supply to optic nerve. Without the blood supply, the nerve cells will die and of course, this may lead to blindness. In optic nerve hydroplasia, there is a deficiency of optic nerve fibers that may occur independently or in connection with other defects or disabilities.
There are some studies to say that this disorder is related to drug or alcohol use by expectant mothers during the pregnancies, but in some cases, the cause of this condition is unknown. Another one on the list of the common causes of blindness that I would like to reveal in the entire article today and want you and my other readers to know and then follow proper precautions for good if you do not want to lose vision.
Adequate protective eye guards should be worn in all cases where the danger of injuries or burns exist. Everyone should be aware of the basic principles of first aid when an injury occurs. Besides, direct damage caused by the injury, the danger of infection may be more serious. Injury to a single eye may lead to pathologic symptoms in the other eye, which often meant that total blindness.
Although the cause of sympathetic ophthalmia is not fully aware of, it can be prevented by medical care. Myopia is defined when the eyeball is longer than usual or when some changes in the eyeball make the light rays bent abnormally.
Although most cases, people with nearsightedness need only wear prescribed lenses to see well, they are the aid to have myopia, which hardly causes blindness. Some individuals with this condition cannot see well even with corrective glasses. This is because complications such as cataracts, retinal detachment, secondary glaucoma may occur with progressive myopia.
In fact, this is among the common causes of blindness so people should try to get a proper treatment to prevent their eyes from being blind. Sometimes, due to the aging process, inheritance, or other causes, people may have breaks in the retina, that may lead to blindness.
Therefore, early detection and treatment of these problems can aid to prevent total blindness. Sometimes, there are some symptoms related to breaks in the retina such as haziness or smokiness, floaters or light flashes occurring in the eye. This is also a great one on the list of the major causes of blindness that people should not look down but learn and consider getting an eye exam as soon as possible.
This is the last but very important out of the common causes of blindness that I would like to reveal in this entire article and want you and my other readers to prevent if they are trying to enjoy a good eyesight. This condition is defined by degeneration of the retina as well as the choroid, often relating to an abnormal development of excessive pigment.
At first, the person begins to find difficult to see at night and in places where are poorly lighted. His visual loss is progressive and gradually becomes legally blind and loses more vision thereafter.
And total blindness often is the final result. This condition is the inflammation of the uvea, which is the middle layer of the eye. Some main symptoms are blurring of vision, light sensitivity, eye pain and eye redness. This eye condition can harm other parts of the eye and may be serious to cause visual impairment or blindness.
It may appear slowly with little pain or appear suddenly with redness and pain of the eye. After reading this entire article about common causes of blindness, I want you and my other readers to read another article that introduces home remedies for eye infection — the How to treat eye infection naturally at home — 10 easy ways article.
This is actually an interesting gathering of the best home remedies for eye infection that people can follow with ease and do not need to worry about harmful effects. These home remedies have already supported many people in the world effectively in dealing with eye infection, so readers of VKool. This is the list of 12 major causes of blindness, which everyone who wants to get good eyesight, should read for good.
In fact, these causes have already caused blindness in a lot of people, both of adults and children, so you should know them and follow the proper precaution to prevent you and other people around you from being blind. After reading this list, in case you think that this list is good for your eye and can also help other people around you, you should share this list with them. In case you know other causes of blindness, remember to share them with us in the comment section below.
I promise to reply you as soon as possible. Some related articles about home remedies for eye diseases that you and other readers should read:.
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