Posts Tagged ‘blindness’

How to Deal With In-growth-tissues in the Corneas?

Like a lens, cornea is transparent, thin but very important part in eyes. Generally, the functions of iris must be cooperated with the assistance of cornea. There is no blood vessel in cornea. However, oxygen is very critical for cornea. And oxygen can only be sent to cornea by tear film. Many people in nowadays choose to wear contacts for some eye problems. But for these contacts, oxygen can not be let in thoroughly.

It is true that contacts can let oxygen through, but sometimes they can not. If people wear contacts for very long time, on these lenses will be some wastes that can be barriers for oxygen. So people should replace their contacts often. Still, many people love to sleep in their contacts. This is also a very bad for the health of corneas.

While at night, corneas will expand to some extent. However, contacts will worsen this expansion process which can not be compensated correspondingly. Fortunately, the latest contacts that can let through sufficient oxygen will not worsen the expansion. On the contrary, if the corneas can not get sufficient oxygen, some new tissues will appear on them for more oxygen. Such changes are mainly for some essential needs. However, these tissues will cause some problems on the eyes.

If these tissues are minor and do not grow big, they can be neglected. However, if there are amassing amount of these tissues, corneas will suffer a lot. The results will always be blurriness or even blindness. Luckily, there are some methods that can be used to deal with these problems. One should try not to sleep in their contacts. Of course, one can also choose to wear contacts with perfect oxygen permeability. Nowadays, the manufactures of contacts have noticed that there are some defects in their materials, so they spare no efforts to upgrade their products. The latest ones can now be used to eliminate many complications that often occur in the past.

These contacts can let through almost all oxygen that eyes need. It is true that wastes will be left on the lenses after wearing for very long time. But within certain extend, such waste will not impede the permeability of oxygen. Anyway, people are suggested to follow the advices of their eye doctors in selecting contacts, though there are some new products in the market. The latest lenses can seldom lead to the growth of some tissues in the corneas. However, people should often visit their eye doctors if they find any changes in their eyes, even though they wear some latest lenses.

Wearing rigid gas permeable contacts can help avoid such progression. Some eye doctors now tend to recommend some latest contacts. These lenses are made from very special materials and wearers are less likely to suffer from some in-growth-tissues problems in the corneas than they used to be. The eye doctors have the latest information of these lenses. Nowadays, many famous contacts manufactures are engaged in the research and development of such lenses. Astigmatism and presbyopia can be easily treated with their products. Contacts with perfect gas permeability can promise healthy eyes.

Firmoo.com is the emerging online optical store selling high quality eyewear, such as prescription eyeglasses (single vision myopic glasses, reading glasses, bifocal and progressive eyeglasses etc.,), prescription sunglasses (with RX tinted lenses), prescription sports goggles. Firmoo guarantees lowest possible price in the market. Firmoo’s return and refund policy makes any purchase risk-free ones.

Article Source:http://www.articlesbase.com/vision-articles/how-to-deal-with-ingrowthtissues-in-the-corneas-1683513.html

Read More...

What you should know about Diabetic Retinopathy

It’s estimated that 40 to 45 percent of Americans diagnosed with diabetes have some stage of Diabetic Retinopathy.  Diabetic Retinopathy is caused by damage to the retina.  It is the leading cause of blindness in adults in the US.  With Diabetic Retinopathy, blood vessels may leak or new blood vessels can grow on the surface of the retina, which may result in patches of blind spots. 

 

In the early stages of the disease, there are often no symptoms or pain. However, as the disease progresses, individuals can experience blurred vision, specks of blood or spots in their vision, vision loss, and even blindness. 

There are four stages of Diabetic Retinopathy, they are: 

  1.  Mild Nonproliferative Retinopathy:  This is the early stage of the disease.  In this stage, swelling occurs in the retina’s blood vessels
  2. Moderate Nonproliferative Retinopathy:  In this stage, some blood vessels that supply the retina become blocked. 
  3. Severe Nonproliferative Retinopathy:  In this stage, more blood vessels supplying the retina become blocked and the eye then starts to grow new blood vessels. 
  4.  Proliferative Retinopathy:  This is the advanced stage of the disease.  The new blood vessels have thin walls and grow along the retina and the gel that fills the inside of the eye.  If these blood vessels break, it can result in vision loss and even blindness. 

Populations at Risk for Diabetic Retinopathy 

  • People with Type I diabetes
  • People with  Type II diabetes
  • Some pregnant women with diabetes

Controlling blood sugar, blood, pressure, and cholesterol are key in preventing progression of the disease.  In the latter stages of diabetic retinopathy, someone may undergo laser surgery and a virectomy (removal of the blood from the center of the eye).  Check out the National Eye Institute to learn more about treatment for Diabetic Retinopathy.

Source:  National Eye Institute

Visit The Aging Suite to learn more about diabetes.

The Aging Suite is a website created by an Occupational Therapist (OT) and Certified Aging in Place Specialist (CAPS) with over 10 years experience in various settings including sub acute, acute care, skilled nursing facilities, and home health.

Article Source:http://www.articlesbase.com/vision-articles/what-you-should-know-about-diabetic-retinopathy-1543836.html

Read More...

Reasons for color blindness

If you can not distinguish blue and yellow or red and green, or sometimes other people may correct the color you see, you probably have color blindness. Color blindness is neither a form of blindness nor a full range of color disability. People with color blindness usually lack the ability to see certain colors properly. This is just a form of vision deficiency.

Those two types of color deficiencies have different inherit traits: red-green deficiency is found only on men and blue-yellow one affects men and women equally. Health problems such cataract may lead to color blindness. Once you have symptoms described above, you should go to see a doctor for a color blindness testing, which can determine the exact type.

There are mainly two reasons for color blindness: generic inheritance and various diseases, all of which affect the way that the retina’s light-sensitive cells respond to light with different wavelengths. Inherited forms of color blindness are the majority, such as Leber’s hereditary optic neuropathy (LHON) and Kallman’s syndrome. LHON is always associated with red-green color defects, while the Kallman’s syndrome involves failure of the pituitary gland.

Disease-caused color blindness only accounts for a small portion. Cataracts can make the lens less bright, which caused color blindness. An IOL is usually used as a treatment. Parkinson’s disease (PD) and Tiagabine (an antiepileptic drug) are also reported to cause color blindness.

A disappointing fact is that color blindness can not be cured, so that many people with acquired color blindness are forced to discard their jobs that require accurate color perception. Those professions include graphic design and electric wiring. Individuals who are diagnosed with color blindness early enough in life will always choose a career that is less dependent on color perception.

However, there are strategies to make compensation. School-aged children should be given special care in learning if they have color blindness. For example, their teachers can plan particular lessons and presentations that require less color perception. Certain ECPs offer special lenses that can enhance color perception, which are available in men’s reading glasses and womens eyeglasses. Another way to “recognize” the color of clothes for people with color blindness involves organizing and labeling them. Color disabled individuals should also remember the order of different traffic lights.

Article Source:http://vision.firmoo.com/eye-diseases/reasons-for-color-blindness.html

Vision Library is the information source in area of vision care, including eyeglasses, sunglasses, contact lenses, sports protective eyewear, vision error and diseases, vision surgery, ageing and kid’s vision etc., solely sponsored by Firmoo.com, an emerging online optical store offering high quality eyewear at the lowest prices.Firmoo’s return and refund policy make any purchase risk-free.

Article Source:http://www.articlesbase.com/vision-articles/reasons-for-color-blindness-1421295.html

Read More...

No Comments »

Glaucoma: Prevention and Treatment

Glaucoma is a sneaky condition that can cause blindness. It is a lot like having high pressure in your eyes.  The key to treatment is early diagnosis and prevention. It is sad to think that almost all people who lose their eyesight to glaucoma didn’t have to.  Glaucoma is easily preventable in virtually every case.

Don’t think that just because you are young that you are safe.  Even babies can get glaucoma.  The fastest growing group of people to develop glaucoma and blindness are in the twenty year old to thirty year old range.  Long hours at a computer raise the pressure and swelling in your eyes and don’t allow them to drain normally.  Many people resort to drug treatment to increase drainage of the fluid.  The next step is laser surgery to open up drainage ducts in the eyes.

People of Asian descent and African Americans are at the highest risk of developing the disease.  People over forty are always at risk and should see their eye doctor every year for a glaucoma check.  People with frequent migraines or headaches should be checked yearly.  People who work outside in the sun or at a computer should be checked yearly.  If you are diabetic you are at an increased risk.  If you’ve ever had an eye injury or if you have ever used cortisone or steroid medications, you’re at higher risk.

So, how can you save your eyesight before glaucoma creeps up on you?  Early recognition and prevention are key.  See your eye doctor if you feel overly sensitive to light, are having more frequent headaches, or if you fall into one of the higher risk categories listed above.

If you are diagnosed, your ophthalmologist will probably give you a strict regimen of eye drops, medications and laser treatments that you must follow to hopefully keep from going blind.  The medications must never be missed.  The eye drops must be administered exactly as prescribed.  You must never stop treatment, even if you can’t tell that there is anything wrong.

There are alternatives to medicinal and surgical prevention of glaucoma.  Vitamin C is very effective way to prevent and fight glaucoma and other vascular disorders of the eye.  Vitamin C strengthens the eye’s vascular system.  The fluid in the eye requires over 25% higher levels of vitamin C than the levels needed in our blood.  Vitamin C keeps fluid thin and mobile.  Blurred vision, poor night vision, glaucoma and cataracts can all be helped by taking higher doses of vitamin C.

Buffered vitamin C powder is a popular way to get enough vitamin C without upsetting the stomach or damaging the teeth.  Speak with your doctor about how much vitamin C you should take to help prevent or treat glaucoma.  When you buy vitamins, consider the price per dosage.  Remember, the best vitamins are the ones that you actually take, so choose a form of vitamin C that is easiest for you to take regularly.

(ArticlesBase ID #1225009)

Phil Le Breton is owner at Wholesale Nutrition. He has a strong interest in helping people achieve greater brain and body health. For more information about C-Salts, otherwise known as the best Vitamin C, or about other Vitamin C powder products, visit http://www.nutri.com where you can buy Vitamins and Supplements of the highest quality.

Article Source:http://www.articlesbase.com/vision-articles/glaucoma-prevention-and-treatment-1225009.html

Read More...

No Comments »

How to Heal Glaucoma Naturally

What is Glaucoma and can it be healed naturally!  Glaucoma is a condition caused by excess pressure inside the eyeballs.  Most people never realize they even have it.  

By the time the first symptoms show up it is too late to do anything about it.  Later symptoms include a narrowing of the field of vision which makes it seem like you are looking at the world through a hole.  Glaucoma can also lead to blindness if it is not detected in its early stages.

The main causes of Glaucoma are poor circulation in the eyes, plugged up outflow channels and insufficient drainage.  These symptoms are caused by too much stress, strain, outside interferences and too many toxins in the body.

The only known cure for Glaucoma consists of tension reducing medication or draining the fluid from the eyes.  Both of these methods only work to relieve the symptoms and not cure the problem.  In most cases, the pressure usually returns or even leads to other complications later.  

People with Glaucoma tend to have an intense and anxious attitude toward life.  They are afraid of unexpected situations and tend to worry about everything which only causes more stress and strain on the eyes.  Fear of the unknown starts to consume their lives.  They dwell too often on negative emotions or resentments.  This is only making the symptoms worse instead of taking steps to try and fix the issues.

Anyone suffering from Glaucoma should seek medical attention because left untreated in the beginning stages can lead to blindness.   However, learning how to relax your eyes can start reducing the strain which can invariably cure this disease.  Some stimulating drugs that should be avoided during this process are coffee, tea and nicotine.  

You can start by learning how to relax your eyes each night before falling asleep.  What you want to do is picture in your mind that you are relaxing your muscles from head to toe.  Concentrate more on the muscles around the eyes.  When you are fully relaxed before falling asleep, this will also help you get a much better night’s sleep and wake up refreshed each morning.    

Glaucoma can be healed naturally when you learn how to relax the eyes.  These are natural steps to curing this ailment.

Adrienne Smith is a work at home business owner and she enjoys helping others find the same success.

Having had poor eyesight herself from many hours of computer work, she was thrilled to learn of these amazing methods that have improved her eyesight. If you would like to learn more about the methods mentioned above, please be sure to visit Vision Without Glasses today.

Article Source:http://www.articlesbase.com/vision-articles/how-to-heal-glaucoma-naturally-1177935.html

Read More...

1 Comment »