Last articles from Vision category on Health Top News

FDA Approves Lasik Eye Surgery

Thu, 26 Jan 2006 00:00:00 +0100

The Food and Drug Administration (FDA) approved a new custom lasik procedure in September of 2005. This new procedure can now treat many patients who were previously ineligible for the surgery. Nearsightedness Nearsightedness occurs when the eye is too long and light rays focus in front of the retina, instead of focusing on the retina. Some of the symptoms of nearsightedness are blurred distant vision, eyestrain, and squinting, along with having a difficult time seeing at night. Although nearsig... (Read All)

Why Does The Cost of LASIK Eye Surgery Vary?

Fri, 27 Jan 2006 00:00:00 +0100

As far as the cost of LASIK eye surgery is concerned, the only worldwide standard is that prices are quoted per eye. However, the cost depends on several factors and varies from one provider to another. A strong reason behind such a variation is that different providers perform different levels of pre-operative testing. A thorough pre-operative examination can avoid LASIK complications, and hence itâs imperative to determine if appropriate pre-operative testing is included in the quoted price.... (Read All)

What Is Dry Eye Syndrome?

Fri, 27 Jan 2006 00:00:00 +0100

Dry eye syndrome, also called Keratoconjunctivitis sicca or xerophthalmia, refers to a lack of lubrication and moisture in the eye. This is mainly due to a decrease in the tear production or an increase in the tear film evaporation. The typical symptoms of dry eye syndrome are burning and a subtle but constant eye irritation. The condition may also lead to inflammation of the frontal eye tissue.

There are several factors that may bring about dry eye syndrome. The condition is more com... (Read All)

LASIK Surgery - How The Excimer Laser Works

Sat, 28 Jan 2006 00:00:00 +0100

The Excimer laser is a form of ultraviolet chemical laser, and is the key element that has made laser eye surgery possible. Though Excimer laser was originally used in semiconductor manufacturing in the 1970s, its use in eye surgery is now fairly widespread. While working at the IBM research laboratories in 1982, Dr. Rangaswamy Srinivasin and his research team discovered the potential of the Excimer laser in interacting with biological tissue. An ophthalmologist, Dr. Steven Trokel, explained its... (Read All)

What Are Cataracts And How Do You Prevent Them?

Sun, 29 Jan 2006 00:00:00 +0100

As the population ages, cataracts are becoming a growing health concern.

A cataract is a clouding of the eye lens to such an extent that it affects vision. The majority of cataracts develop due to the aging process, and by age 80, more than half of all Americans have them. However, there are also other type of cataracts: secondary cataracts, which form after surgery for other ophthalmic diseases such as glaucoma; traumatic cataracts, which can develop after an eye injury; congenital cata... (Read All)

Contact Lenses And Why We Wear Them

Sun, 29 Jan 2006 00:00:00 +0100

We wear contact lenses mainly because we are vain.

But, they come in handy for any kind of sports, people even wear them while swimming although you have to watch they don't float out.

The Inventor of the contact lens concept was Leonardo da Vinci in 1508,who sketched and described several forms of contact lenses.

Hard contact lenses

Hard contact lenses are manufactured from a rigid material, PolyMethylMethacrylate (PMMA). This substance is also combined with othe... (Read All)

Educate Yourself - LASIK Eye Surgery Could Be For You

Mon, 30 Jan 2006 00:00:00 +0100

It might be the case that you are tired of wearing glasses, or you believe that it cramps your style. You also donât want to use contact lenses, in order to avoid infection or inflammation due to overuse. In such a scenario, you are likely to consider LASIK eye surgery, which is one of the most prevalent vision correction procedures. And therefore, you require some basic LASIK education, in order to get a clear picture of what you can expect from LASIK if you want to know whether you should do... (Read All)

How To Avoid Complications With LASIK Surgery

Mon, 30 Jan 2006 00:00:00 +0100

As with any surgery, LASIK has a few complications. Scientific studies conducted in the late 1990s depicted that a meager 5% of LASIK eye surgeries resulted in some sort of complication. However, expert eye surgeons claim that the complication rate drops well below 1% if the patient is thoroughly examined prior to the surgery, so as to ensure that the procedure is feasible and beneficial.

Though quite rare, complications due to LASIK do occur. The following are some of the frequently rep... (Read All)

Clear Natural Vision Is Just One Of The Possible Benefits of LASIK Eye Surgery

Mon, 30 Jan 2006 00:00:00 +0100

There are several LASIK benefits, which can be easily realized by going in for an experienced eye surgeon. It is necessary that you weigh the pros and cons before going in for an eye surgery. And much to your relief, as far as LASIK is concerned, the benefits far outweigh whatever minimal risk is involved. LASIK is by far the most preferred procedure when it comes to eye corrective surgery. LASIK benefits typically include:

- Clear natural vision
- Need for glasses or contact lenses is... (Read All)

How Does LASIK Eye Surgery Work? Keratomileusis - The Carving Of The Cornea

Mon, 30 Jan 2006 00:00:00 +0100

At present, LASIK or âLaser-Assisted In Situ Keratomileusisâ is the only commonly performed keratomileusis procedure. Keratomileusis involves an altering of the shape of the corneal tissue with the aid of an excimer laser, which is a powerful ultraviolet laser. This laser eye surgery is performed by ophthalmologists in order to correct different types of vision impairment. LASIK is the preferred treatment for patients with refractive error, since the procedure entails rapid recovery and mini... (Read All)

Protect Eyes ? Avoid Eyestrain

Thu, 02 Feb 2006 00:00:00 +0100

In today?s world, with the predominance of television, computers and videos, people of all ages are suffering from eyestrains. Driving a car and living in the city full of smog can be other main reasons for eyestrains. The common symptom of eyestrain is the blurry appearance of the letters on the computer screen or in the print of the page, which normally appear clear. The eyes hurt so bad that you are forced to shut them for some time.

The most common remedies to cure this problem are: ... (Read All)

Ten Things To Know About Contact Lenses

Sat, 13 Aug 2005 00:00:00 +0100

1. How hard is it to get used to wearing contact lenses?

Everybody adjusts to wearing contact lenses differently. How long it takes for a persons eyes adjust to wearing contact lenses varies and depends on the sensitivity of the eyes and also on the type of contact lenses being worn. Typically it will take from one day up to about two weeks.

2. How do you take care of contact lenses?

Proper care of contact lenses varies depending on the type prescribed. Disposable and ex... (Read All)

How LASIK Vision Correction Works

Thu, 09 Feb 2006 00:00:00 +0100

The sheer number of different eye corrective surgeries available can be overwhelming at times. And since the matter concerns the eyes, regarded by many as the most important of the five senses, it becomes highly essential that you carry out a basic research of the procedures available. This would certainly aid you in selecting the most feasible and effective treatment. It is also imperative that you have a grasp of how LASIK vision correction works, since LASIK is the most prevalent type of eye ... (Read All)

How to Choose a LASIK Eye Surgeon

Sun, 12 Feb 2006 00:00:00 +0100

All in all, LASIK eye surgery is relatively less complicated than other kinds of surgery. However, if carried out in an imprudent fashion, LASIK eye surgery may cause an irreversible damage that would make you repent for the rest of your life. Therefore it is gravely necessary to choose the best surgeon available. There are various ways that help you locate and choose the best surgeon in your vicinity.

Advertisements can be a viable source for finding a LASIK surgeon. However, there i... (Read All)

LASIK - a Cure for Blurry Vision?

Mon, 13 Feb 2006 00:00:00 +0100

Presbyopia is an eye disorder that normally sets in between the ages of 40-50. A lot many theories have been suggested to delineate its proper cause. However, the most convincing theory is that the eye lens loses its elasticity over time, and this in turn results in the loss of accommodation power of the lens. Consequently, the lens is unable to focus on nearby objects, and hence the patientâs near vision is rather blurry. Presbyopia affects everyone at a certain age and it is not routinely cu... (Read All)

How Long Until Vision Clarity? Recovery from LASIK Eye Surgery

Wed, 15 Feb 2006 00:00:00 +0100

As with any other surgery, LASIK also has a recovery period. Since LASIK involves cutting a flap in the corneal tissue, the recovery typically pertains to the healing of the cornea. Patients who have undergone LASIK surgery may experience blurry vision and watery eyes until the cornea heals completely. However, it is true that in case of LASIK, the patient requires less time for full recovery, relative to other refractive surgery procedures.

It is reported that LASIK helps restore vis... (Read All)

Photorefractive Keratectomy Laser Eye Surgery

Wed, 15 Feb 2006 00:00:00 +0100

Photorefractive keratectomy (PRK) is a laser eye surgery procedure that is carried out with the key intent to correct a patientâs vision. PRK permanently changes the shape of the frontal corneal tissue using an excimer laser, which is a high-precision ultraviolet chemical laser. The outer layer of the cornea (epithelium) is removed, and then a small amount of the corneal tissue is burnt off using the laser. Such an ablation renders the desired shape to the cornea and allows for optimal refract... (Read All)

How You Might Cure Your Blurred Vision

Fri, 17 Feb 2006 00:00:00 +0100

Presbyopia, also known as âshort arm syndromeâ, is a medical term used to describe a vision defect where the natural lens loses its accommodation power. Accommodation power refers to the ability of the eye lens to change its focal distance, depending on whether the object in view is placed up-close or far away. This is a common disorder that virtually everyone experiences in their middle age. Specifically, at the onset of the 40s, people experience blurred vision while looking at nearby obje... (Read All)

A Cure for Near Sightedness - Radial Keratotomy

Fri, 17 Feb 2006 00:00:00 +0100

Radial keratotomy (RK) is a refractive surgical procedure employed to correct myopia or nearsightedness. Radial Keratotomy came into existence by accident rather than through meticulous research. The procedure was discovered by Dr. Svyatoslav Fyodorov when he operated one of his patients who had met with a bicycle accident. The boy wore eyeglasses, which broke on impact, and the glass splinters lodged into his eyes. The doctor had to make several radial incisions in the corneal tissue in order t... (Read All)

The Different Types Of Laser Eye Surgery

Sat, 18 Feb 2006 00:00:00 +0100

When most people think of laser eye surgery, they automatically think of LASIK. While it is true that LASIK is a type of laser eye surgery, there are a number of other laser procedures that can produce equally successful results for individuals suffering from myopia (nearsightedness), hyperopia (farsightedness), and astigmatism. In fact, there are actually four different types of laser eye surgery: PRK, LASIK, Customized LASIK, and LASEK.

PRK, or photorefractive keratectomy, makes use of... (Read All)

What Is Refractive Eye Surgery?

Sun, 19 Feb 2006 00:00:00 +0100

Refractive eye surgery is a type of eye surgery that is used to rectify refractive errors of the eye and decrease dependency on corrective lenses such as eyeglasses and contact lenses. Successful refractive procedures can reduce myopia or nearsightedness, hyperopia or farsightedness, and astigmatism or elongated corneas. A number of different procedures exist for refractive eye surgery depending upon the type and severity of the refractive error.

There are four main types of refractive e... (Read All)

An Insight Into Colored Contacts

Sun, 19 Feb 2006 00:00:00 +0100

Since they were first developed as hard glass lenses in the 1950s, contacts have gone through many transformations and technical improvements in quality, look and feel.

Today, with the modern advancements of disposable lenses and toric lenses, more and more people are changing from spectacles and enjoying the benefits of corrective eye lenses.

The latest, exciting development and daring innovation in the contact lens industry, however, is the fabulously varied colored conta... (Read All)

What Eye Problems Result From Albinism

Sun, 19 Feb 2006 00:00:00 +0100

Albinism refers to a group of inherited conditions. People with albinism have little or no pigment in the eyes, skin and hair. Besides looking different, which may cause social problems, albinos also have various impairments. In the most severe form of albinism (called oculocutaneous albinism), those affected appear to have hair, skin, and iris color that are white or pink as well as vision defects. This article mainly concentrates on the eye problems resulting from albinism. The eyes need melan... (Read All)

Improve Your Eyesight With Trataka

Fri, 24 Feb 2006 00:00:00 +0100

Eyes are the windows of the soul and you can see what a person is up to by looking into his eyes. Hence, it is important to have clean eyesight. In yoga, trataka is a technique devised by the ancient sages to improve eyesight. It is a shuddhikriya or a purification process to cleanse the eyesight and help in the silencing of the mind in concentration.

Sit with your back straight. Keep your eyes fixed on an object without winking till tears start streaming down your face. The small object... (Read All)

Lasik Eye Surgery: Is It Right For You?

Sat, 25 Feb 2006 00:00:00 +0100

If you have poor eyesight and you have worn eyeglasses or contact lenses all your life, then you might want to consider LASIK eye surgery.

LASIK is the acronym for Laser-Assisted in Situ Keratomileuses. This is a procedure where the patient has to undergo surgery to reduce or totally eliminate a person's poor eyesight.

There are certain eye imperfections that cause poor eyesight. Examples of these are:

- Astigmatism

A person with astigmatism sees 'distorted' image... (Read All)

Six Great Tips For Dry Eyes

Sun, 26 Feb 2006 00:00:00 +0100

Faulty tear glands may not be something you think about until you experience the aching, itching and stinging that can accompany dry eyes. Dry eyes can be more than a minor burden; serious dryness can lead to abrasions of the cornea and possibly blindness if left untreated.

More than 3.2 million women and 1.6 million men (in the United States) over the age of 50 experience the symptoms of dry eye. For some the experience is occasional, while others must learn to deal with constant drynes... (Read All)

What Causes Macular Degeneration?

Mon, 27 Feb 2006 00:00:00 +0100

Macular Degeneration is an eye disease that affects the macula, located towards the back of the eye, along the retina. The macula is the part of the eye that is responsible for processing light in order to generate sharp, detailed and clear images that are then sent to the brain. Macular Degeneration typically does not appear until age 40, and Age-Related Macular Degeneration (AMG) typically develops in people aged 55 and older.

Hereditary and Age Appear to be Main Causes

Because... (Read All)

Refractive Eye Surgery - Is LASIK the Best Option?

Tue, 28 Feb 2006 00:00:00 +0100

Refractive surgery is a general term referring to the collection of many different surgical procedures, all with the key intent to fix the refractive error of the eye. Refractive surgery is the preferred treatment for rectifying a variety of vision impairments. Its popularity is owing to the fact that it produces efficacious and predictable vision improvement without any major side effects.

Essentially speaking, refractive surgery is any eye surgery employed to improve visual acuity a... (Read All)

Contact Lenses A Better Vision Option

Sat, 20 Aug 2005 00:00:00 +0100

There are over 34 million contact wearers in America. The idea of contact lenses has been around for hundreds of years. It is said that the first person to conceptualize the idea of contact lenses was Leonardo da Vinci in the early 1500's. It wasn't until 1971 that soft contact lenses entered the market, followed by GP or gas permeable contact lenses in 1978. Extended wear contacts received FDA approval in 1981 and disposable contacts were introduced in 1987.

Today's contact lenses do mo... (Read All)

Eye Surgery Providers - TLC Laser Eye Center

Wed, 01 Mar 2006 00:00:00 +0100

TLC Laser Eye Centers is a premier provider of LASIK and other refractive surgery procedures. The group boasts highly experienced doctors, thorough pre-operative examinations, and personalized care for each of its patients. It also has over 13,000 affiliated eyecare practitioners. TLC Laser Eye Centers does not offer quick assessments or overblown promises. Instead, it provides a long-term commitment for future surgical enhancements.

As a token of its genuineness, TLC offers a lifeti... (Read All)