Friday, July 25, 2008

Two Things You Do Not Know About LASIK Eye Surgery

By Allan Weaser

The eye can be examined with relative ease as to both its function and its structure. A functional examination includes the ability to move in the orbit and the reaction of the pupil to light and accommodation.

The function of the eye may be tested in several ways. The patient may be asked to identify illuminated letter or objects of varying sizes on what is known as the Snellen chart.

Conversely, the examination of the structural part of the eye may be made in several ways. Tension within the eyeball is measured by a “tonometer.” In certain diseases, especially in glaucoma, the tension in the eyeball is increased markedly.

However, it should be well remembered that a patient with an eye problem might have other problems as well. Often other physical conditions are primary and affect the eye as a consequence. The appearance of the eye can alert the patient and the physician to difficulties in some disturbances of other parts of the body even before other symptoms present themselves.

Consequently, one’s dependence on sight is emphasized when one faces a temporary or possible permanent loss of this vital sense. Hence, when corrective measures are sought, certain forms of vision correction such as contact lenses or eyeglasses are prescribed.

On the other hand, some people are bothered with the fact that they have some framed lenses or contact lenses in front of their eyes.

For this reason, advanced surgical operations were established to encourage decreased utilization of contact lenses or glasses. One of which is the now popular LASIK eye surgery.

Basically, LASIK eye surgery is the short term for “Laser-Assisted In Situ Keratomileusis.” Like its tangible counterpart, LASIK eye surgery is another form of vision correction. The only difference is that with this type of surgery, one’s vision is corrected permanently.

With LASIK eye surgery, the refractive errors in the cornea are permanently transformed. This can be done using an “excimer laser.”

The main purpose of this surgery is to create a threadlike, rounded “flap” in the cornea using a blade known as “microkeratome.” In a series of unfolding and laser processing, the cornea is finally reformed, allowing better the eye to direct more light into the retina.

Popularity vs. Disadvantages

Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that people must know. Probably, the main reason why this type of eye surgery has become well accepted is because most of its cases had been successful.

However, in spite of its success, there are still some drawbacks. Here is the list:

1. It is an operation applied to the most sensitive part of the eye

Because LASIK eye surgery involves the operation of the retina, which is one of the most sensitive portions of the eye, most people say that the operation can be very risky.

In other words, a simple error could almost cause an individual’s lifetime blindness. Hence, it is important to consider many factors before deciding whether LASIK eye surgery is the right corrective measure one has to undergo.

2. It is not a perfect procedure

LASIK eye surgery may correct your vision but it does not necessarily mean that it can give you a perfect vision. Even if statistical reports show that 70% of the patients may have 20/20 vision, this does not necessarily mean they have ideal vision as well.

Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not always be the ideal eye surgery the way most people view it.

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Thursday, July 24, 2008

How To Care For Color Contact Lenses

By David Faulkner

Why Modern Day People Prefer Color Contact Lenses?

Populace makes the preference to wear contact lenses rather than eyeglasses for a variety of reasons. For some, self-importance is the conducting influence, while others don't care for the burden of the glasses as they rest on the face. Still others have a preference to use eye care products that can't be as easily broken. Loss, too, is a deliberation, since most people don't remove their contact lenses and put them aside when they're away from the home environment, whereas glasses have often been detached and involuntarily left on a table or some other practical facade.

There are a small number of fundamental types of color contact lenses which are accessible to the public, the first of which is the hard color contact lens. These are made from a strong polymer plastic and are easy to keep clean since they don't absorb unknown material from either the eye or the environment. As a result of the steadfastness of the product, however, they can take time to adjust to and shouldn't be left in the eyes during the night. This will cause the cornea to become oxygen deprived - and the cornea needs oxygen flow to remain healthy. Vision is usually crisper with this type of color contact lens, as opposed to the softer assortment of lenses

Features Of Color Contact Lenses:

There are citizens who want to have a disparate look and changing the color of their eye gives that changed look. No wonder it gives a stunning look if you choose the right color of the lens so that it matches your body color and hair color. Spaced out from this there is also cheap crazy color contact lens available in the market that changes the looks of your eyes to that of the cat or a dog.

Someone who wears color contact lenses knows there is daily care for your contacts and for your eyes that you should follow. Always have a pair glasses around to fall back on just in case you would lose a contact or the contact would start irritating your eyes. Washing your hands before putting your color contacts in helps with reducing infection. Another thing to do that can help make certain the safety of your color contacts and eyes is to clean out your contact case every time lenses are out of their case. The cleaning of your case will help keep bacteria from growing where you store your lenses. These are just a few important ways to care for your color contact lenses and especially your eyes. Before getting any type of color contact lens you need to see your eye doctor for an assessment and a prescription for lenses. This will help you decide what types of color contacts are preeminent for you.

Color Contact Lenses Require Extra Care:

In addition to washing and drying your hands before handling color contact lenses, you should also be sure to insert and remove them correctly; only apply make-up (carefully) after color contacts have been inserted; use the specific solutions that your doctor has recommended; avoid rubbing your eyes while color contact lenses are being worn; don't place your color contact lenses on a warm surface, since they may melt; These and many other strategies will keep your eyes hale and hearty and lengthen the life of your color contact lenses.

You can also find more info on Contact Lens and Bifocal Soft Contact Lens. Onlinecontactlenseshelp.com is a comprehensive resource to know more about online contact lenses.

Tuesday, July 22, 2008

The Perfect Pair of Eyeglasses can Change how the World Sees You

By Tl Kleban

I don't know about you, but I can never find a pair of eyeglass frames that fit my face while looking fashionable at the same time. I almost dread going shopping for them when the time comes. For many people like myself, how a pair of glasses look on our face is the single most important aspect of finding the perfect pair of eyeglass frames. The only thing you need to do to make sure you pick out the perfect eyeglass frames is to simply find one that suits the shape of your face.

Eyeglasses are more than just means to an end. They do far more than just helping you see the world, as they are important fashion statements with huge effect on your appearance. If you've ever had the misfortune of buying glasses that just don't look right on you, these following tips can hopefully help you out for next time. After a long and frustrating process of finding the perfect glasses frames to fit your face shape, here are a few tips to help you out:

  • What you want to do first off is inspect your face to see what kind of shape it is. To do this you need to pull your hair back into a ponytail if you have long hair and look at it closely in a mirror. Different face
  • shapes require different frame styles. Oval faces, for example, are proportionally balanced on the top and bottom. Any frame type will work with an oval face.
  • People with long, thin faces need a larger frame that gives off the impression of a wider and shorter than it really is face. Go with frames in round or triangular shapes. Even a wide, rectangular shape can work with this type of face. Another way to broaden a long, thin face is to wear a frame that has color around the sides of it. More people are starting to wear round frames that are made from a thin metal. This look softens the hard, angular look of a square face, of someone with wide forehead and cheeks, and an angular chin.
  • Round faces are fuller and have a soft, gentle chin, wide cheeks and smaller cheekbones. For all of these mentioned reasons is why people with this type of face shouldn't wear round frames. It will only give off the impression of a large face. You don't want that. Instead, wear boxy or rectangular ones and go with a lighter color to make you face appear less heavy.
  • If you find yourself having a heart-shaped face, then your best bet is balance with frames that are wider at the bottom and narrower at the top. This looks much better for faces with a wide forehead that angles down to a smaller chin.
  • There are a good number of people with a diamond-shaped face. This means that they have a narrow forehead, wide temples and an small angular chin. Flatter these facial features with small frames that have geometric or oval shapes minimizing the horizontal distance between the temples.
  • If you have any facial features, then you it is a smart decision to buy a smaller pair of frames, especially with a beard. Large frames only mask your features that you want to show off. Small heads need to stick to wearing small frames that are no wider than the widest part of your face. Never wear glasses that look like they are tight on your face and squeezing it.

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Monday, July 21, 2008

Choose the Right Eye Contact Lenses

By Ahmed Foaud

Nowadays we have many kind of lenses available in the market which vary corresponding to the requires of the individuals. They include disposable, flexible wear, extended wear, and gas permeable and contacts for special demands. Thin finely crafted plastic discs designed to fit the cornea of the eye are more helpful than the eye glasses as the contact lenses allow better vision.

For the individuals who prefer to wear contact lens for the first time, here are some types of lenses and guidelines must be follow.

Types of Lenses:

Soft lenses:Contact lens

Disposable lenses:

Disposable lens are for the individuals who don't have time to do everyday care and cleansing to their contacts. You can select either a daily disposable one or that which will last for a week or two. Daily disposable ones do not need disinfecting and cleaning solutions. These are available for different eye types, and also in color if you opt to use a color less for a while. Consult the optometrist for the exact brand.

Yearly soft contact lenses:

They last for a year. Made of soft material, which help oxygen transmittance, this helps in preventing drying of the eyes. Once these are removed after wear they require careful cleansing, disinfecting and storage.

Gas Permeable/ Rigid gas permeable/ Oxygen permeable lens

Gas permeables allow excellent clearness of vision, durability and transmit more oxygen to the eye than the soft lenses. They are easier to clean and last up to a year. But GPs have their own fault. Individuals require} some time to adjust wearing these lenses as they are made of hard material. They are made of semi- rigid material that don't contain water. Synergy Eyes lens have overcome this deficiency by combines a GP center with soft outer ring, thus allowing a comfort and visual acuteness.

Flexible and Extended wear contacts:

These are particularly designed for individuals who prefer to wear the lens continuously and don't like to put them in and take them out several times a day. You can even sleep with these lenses. They are made of material that provide more oxygen to reach your eye's cornea. You can apply them without removal for successive seven days.

Torics for astigmatism:

They allow the same level of comfort and clarity vision. What makes them unique is they help in correct astigmatism. Astigmatism according to encyclopaedia is the inability of the cornea to properly focusing an image onto retina, therefore leading a blurred image. Torics are available in both GP and soft lenses. They are designed to stay in the same place even as being worn.

Cosmetic Lens:

There are 4 types of colored contact lenses: visibility tints, enhancement tints, opaque color tints and light-filtering tints. The right power value is in the center of the colored lens. Cosmetic or colored lens follow the same cleansing regime. Many of these lenses are available without visible correction. Cylindrical lenses are not available in color formatting.

About 40 million individuals wear contact lenses only in USA. It has won many clients who are affected by visual troubles. Contacts can be safe, fun and useful than your eyeglasses, but it requires its own care and has many principles to follow.

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Sunday, July 20, 2008

Finding Reputable Lasik Eye Surgery In New York

By J. Lloyd

As more and more people choose to seek alternatives to pricey and inconvenient eyeglasses and contact lenses, the popularity of Lasik eye surgery continues to grow exponentially. The Lasik procedure was first performed in the United States in 1991; today over one million people in the U.S. have undergone the procedure. For patients looking to embark on Lasik, finding a reputable surgery center is paramount to achieving success.

For those living in the New York area, reputable Lasik eye surgery in New York is relatively easy to find. In such a populated area – and one that is a medical hub of the east coast – Lasik has been made available to the masses.

Lasik eye surgery works to repair the way in which our eyes refract light. In a normally functioning eye, the lens of the eye works to refract – or bend – light to the retina. The retina – a group of cells in the lining in the back of the eye then takes that light and converts it to messages that can be understood by the optic nerve of the brain. The optic nerve receives these messages as visual images. When one link in the chain is affected the end result changes – much like the childhood game of Whisper Down The Lane.

In the case of refractive disorders such as nearsightedness, farsightedness, and astigmatism, light is not refracted properly to the retina. In turn the message that the retina sends to the optic nerve in the brain is received as a blurry image. Lasik surgery corrects the way in which we refract light through the use of laser technology.

During a Lasik procedure the eye is numbed, held open with a speculum, and immobilized with a corneal suction ring. After immobilization, the surgeon cuts a small incision in the top layer of the cornea making a flap. The flap is then folded back and the surgeon is able to access the underlayer of the cornea known as the stroma.

A low-powered laser is used to resurface the stroma so that light is refracted correctly going forward. After the laser procedure, the flap is replaced over the eye and allowed to heal naturally. Such a surgical procedure – while completed quickly – requires enormous precision and skill by experienced surgeons. Those undergoing Lasik eye surgery in New York often have little problem finding reputable and experienced surgical centers.

Ultimately, finding Lasik eye surgery in New York requires some research from the prospective patient. Those living in the New York area can often get a referral from their regular eye doctor or primary physician. But often the best way to find reputable Lasik eye centers is through a recommendation by someone who has had the procedure performed.

Talk to people who you know to have had the procedure and ask questions regarding their particular experience – including comfort level, respect received by the staff, the way in which surgeons addressed their questions and concerns, billing procedures, and aftercare.

Make sure to conduct your own research when it comes to finding Lasik eye surgery in New York; visit surgical centers in which you are interested and interview the surgeons to make sure that you are compatible with them on a personal and professional level. Ultimately – no matter where you have your procedure performed – you should feel as if you have been educated thoroughly regarding the procedure and have had all your questions answered.

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