Posts Tagged ‘two eyes’

Why Are Prescription Eyeglasses Essential for People With Eye Problems?

In our daily lives, it is very common to hear people’s complaints that their eye sights are declining unceasingly, though with eyeglasses. But I accidentally find that most of those eyeglasses they worn are not prescribed or accurately prescribed. If so, vision degeneration can not be avoided. In fact, if they wear prescription eyeglasses, their vision will not get lost, but enhanced. Therefore, I strongly suggest those who have neglected this to wear prescription eyeglasses. Those eyeglasses are accurately prescribed according to wearers’ individual circumstances. Maybe some people think I have exaggerated about the function of prescription eyeglasses. Henceforth, I just want to list some information about those eyeglasses.

As their names implied, prescription eyeglasses are eyeglasses that are prescribed by some professors. And the process of prescription is the key and most complicated round, without which, the quality of eyeglasses can not be guaranteed. Let’s see how complicated it is.

One should go to an optical store first if he has made his decision to wear eyeglasses. Then, he will have to receive some related eye examinations and tests which can tell whether he is the candidate for eyeglasses or not, and the detailed information of his eyes will also be collected. Based on the collected information, the optometrist begins to “prescribe”. Many items will be considered in prescription, for the prescribed eyeglasses must aim at the problems in his eyes. For example, in some situations, distance vision and near vision are essentially taken into consideration while prescribing bifocal and trifocal eyeglasses.

Moreover, some people have seldom noticed that the lens power in their two eyes varies a lot in most cases. And such situation should also be taken into consideration.

The above mentioned information is just some of the commonest steps and items in prescription. While in actual situation, more are involved. Most of the eyeglass wearers have never considered which procedures are important for their eyeglasses; or what potential problems may occur if some items are neglected in the prescription process?

Thereof, I can not imagine what may happen to those who do not wear prescription eyeglasses or how much will they suffer just because of this. Generally speaking, prescription eyeglasses can cure almost all eye problems, though such problems may vary a lot on different people. Myopia and farsightedness, etc. are some of the commonest eye problems that can be treated with those eyeglasses. Besides, many other complicated eye problems can also be tackled; such as glaucoma, astigmatism, and so like. In a word, the symptom of those vision problems will not get worsened once people have worn their individual prescription eyeglasses.

In addition, prescription eyeglasses can also ensure that the wearers are looked very cool. That’s also one reason why I have said those eyeglasses are essential for wearers. No one can resist the temptation of a pair of prescription eyeglasses with present fashionable elements. One can ask the opticians to add some fashionable features into his eyeglasses after they are prescribed. Doing so can make eyeglasses much more perfect.

Anyway, prescription eyeglasses can help eliminate many bothering matters people may encounter in their daily lives if they have some eye problems. If any one who is now being bothered by eyeglasses, he is suggested to have a try on prescription eyeglasses. I believe his life will be greatly bettered.

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Article Source:http://www.articlesbase.com/vision-articles/why-are-prescription-eyeglasses-essential-for-people-with-eye-problems-1705344.html

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How to choose the eyeglasses of hyperopia?

Nowadays the eyeglasses are not only becoming more and more important among young people, but also there are more and more old people becoming hyperopia and must turn to the eyeglasses of hyperopia. Then how should the senior citizens choose the suitable eyeglasses of hyperopia? Then what is the hyperopia to the old people? After reaching 40 years, the crystal and the eyelash become to harden. The strength of the eyes’ adjustment is weakening. Then the old people can not see things clearly. This kind of situation is called the hyperopia. Now let me introduce you how to get the suitable eyeglasses of hyperopia.

 

1. First of all, the old people should know the degree of their hyperopia. Generally speaking, if the old people must keep a distance over 30cms between the eyes and newspaper when reading, they should consider wearing the eyeglasses of hyperopia.

 

2. Actually, many senior citizens will buy a pair of eyeglasses of hyperopia to wear casually in the stall after getting hyperopia. This is very bad to the eyes. They should arrive at the regular eyeglasses shop to have an optometry before purchasing. Many old people have astigmatism and the two eyes’ degrees of hyperopia are different. Therefore, they must match the eyeglasses after examining the eyes instead of buying directly casually.

 

3. If the two eyes’ degrees are the same, the old people can buy the ready-made eyeglasses. But they should also pay attention to the quality and see whether the surface is smooth and the mirror holder is moderate. If the old people like to go out, they can choose the foldaway.

 

4. The middle-aged people should replace their eyeglasses of hyperopia frequently, because the degree is increasing unceasingly. But they don’t need to worry too much since it’s only the physiological change.

 

5. The eyeglasses of hyperopia are used nearly not used to look far. When reading books and newspaper, they must be worn. However, when watching TV of films, people can wear another pair of glasses, so they can consider matching several pairs of eyeglasses to use in the different situations.

 

6. After matching the eyeglasses, please remember to require the certificate and if the degrees are inappropriate, the eyeglasses can be replaced within three days.

Article Source:http://www.articlesbase.com/vision-articles/how-to-choose-the-eyeglasses-of-hyperopia-1575519.html

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Consider the Allegretto Wave Laser for LASIK

When someone decides that they want LASIK, they rarely consider the type of laser that will be used to fix their vision. While it is true that there are many different lasers used by ophthalmologists to correct myopia or hyperopia, you may want to know a little about the one that will be used on your eyes, especially if you are concerned about some of the side effects on your night vision that you may have heard about. Halos and glare are extremely rare, but they have a bothersome effect on LASIK patients. One of the latest generation lasers that can solve these types of issues is called the Allegretto Wave excimer laser.

The Food and Drug Administration approved the Allegretto Wave laser in 2003 for use with LASIK surgery. Allegretto Wave uses PerfectPulse Technology. This technology basically means that the laser is calibrated for your individual eye and does not act as a blanket solution for all eyes. Think of your eye like a fingerprint: no one else has your exact eye. One of the problems with older lasers is that they may have acted as a one-size-fits-all solution. It is here where some of the problems with LASIK have occurred. With Allegretto Wave’s PerfectPulse Technology, the beam’s pulse hits your eye exactly where it should. Checkpoints are made even as the pulse works at 200 times per second. If an adjustment is needed, this can be done, if your eye moves out of the beam’s range, for example.

Allegretto Wave also uses something called wavefront-guided technology. This essentially creates a map of your eye. Because no two eyes are the same, the eye’s “cartography” is important at the microscopic level. Since the laser will be sculpting your cornea, it is necessary that a map be created so that the 200 pulses per second know where they’re going. When this is done, more corneal tissue is preserved.

One of the unique features about Allegretto Wave is that it is able to read a large optical zone. This is the zone of the pupil that is affected by night vision (the more light needed in the eye, the larger the pupil zone). Through reading and mapping the entire optical zone, the chances of halos and glare are nearly eliminated.

If you are in the New York City, Manhattan, or Long Island, New York area and would like to learn more about the Allegretto Wave laser, please visit the website of board certified ophthalmologist Dr. James Kelly.

Article Source:http://www.articlesbase.com/vision-articles/consider-the-allegretto-wave-laser-for-lasik-1523236.html

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Eye Exercises to Improve your Vision

The act of looking after your eyes implies that you are maintaining yourself very well. A lot of persons have options which you can use to improve your vision, but the best means to determine if you are on the correct course is to have a word with your eye doctor. Nevertheless, I have complained some specific exercises which you can apply to your eyes to improve your vision. These eye exercises are generally accepted as a tested and proven solution for improving one’s eyesight.

Step 1

You should start by carrying out eye exercises. Begin by rinsing your two hands in clean water; massage the palms of your hands as one till it gets warm. Shut the two of your eyes and use your warm hands to cup it for up to 5 seconds. Try not to press on your two eyes as you do this. The warmth produced by your palms onto your eyes will give your eyes an unwinding tone. Try to do it again for up to 3 times one after the other, also try to perform it each day.

The next easy to do eye exercise to improve your vision is to direct your thumbprint on your shut eyes. Turn your eyes upward and downward for up to ten periods. The next thing to do is to shift your orbs from side to side for up to ten times. You should try to perform this eye workout per day, mainly at the time you are browsing on your pc for a lengthy period of time or at the time you feel like sleeping. The exercises can aid to improve your vision.

Step 2

Apart from the use of eye exercises, it is still possible to improve your vision through the use of foods. Begin to consume foods that are salubrious for your health. The talk which goes “the things you eat is you” is simply a factual talk as it pertains to enhancing your vision. Consume a lot of sweet potatoes, carrots, and pig’s liver; it is usually filled with vitamin A.  It is believed that vitamin A is extremely saturated around the retina together with the tissue encircling the back of your eyeballs. It is also known that spinach can enhance ones eyes due to the fact that it has vitamin A together with xanthophylls which are very useful in fighting macular degeneration. Macular degeneration usually occurs as you get old. Cook your spinach using a small olive oil and it will help to promote your vision, due to the xanthophylls are amplified when it is mixed with oil. The oil should not be much; a drop of oil is okay for this meal preparation.

Step 3

You should get the guide Vision without Glasses. It is a guide written by an expert in eyes related issues. It reveals the easy to apply methods which you can use to improve your vision naturally without the use of eye glass. You can see more about this guide at Vision without Glasses Review

Article Source:http://www.articlesbase.com/vision-articles/eye-exercises-to-improve-your-vision-1420401.html

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LASIK and Night Vision

Night vision problems have been reported as common side effects of traditional LASIK. If you have Custom LASIK, they are far less of a problem. That is because of the way your eyes are diagnosed in those two ways of doing LASIK.

Diagnosis for Traditional LASIK

In Traditional (early) LASIK, a phoropter was used, which is how prescriptions are determined for glasses and contact lenses. A phoropter is a floor-standing device with many lenses. You sit looking through its aperture at the vision chart while someone flips between lenses asking you to read the smallest line of letters you can clearly see.

The information thus gathered is used to correct three vision problems:

That meant that Traditional LASIK corrected only these three problems, and only to the same extent that glasses or contacts do it. These three problems are known as the Lower Order Aberrations of your eyes.

Diagnosis for Custom LASIK

In Custom LASIK, Wavefront technology is used for a far more accurate diagnosis. Instead of sitting at a phoropter, you sit at a large system which shines a light into each eye. It then measures and records the nature of the light reflected back from your two eyes.

The computer in this system converts this light data into two colored 3D maps showing the microscopic contours of each eye. These maps contain so much information that a more effective treatment can be based on them, correcting not just the Lower Order Aberrations but also the Higher Order Aberrations.

What Are Higher Order Aberrations?

They are mostly night vision problems:

Traditional LASIK improved visual acuity but left your eyes with their existing Higher Order Aberrations. Therefore they were noticed after treatment as defects in your quality of vision, and referred to as side effects.

Custom LASIK improves visual acuity and reduces or eliminates night vision problems as well.

Pupil Size and Traditional LASIK

Part of screening for good LASIK candidates includes measuring pupil size. If your pupils dilate wider than average they are admitting more light into the eye in dim lighting conditions. If you are asking for Traditional LASIK and already have night vision problems, you would not be a good candidate.

If your pupils are not too extremely large, your eye surgeon might be able to do Traditional LASIK safely. He could use a “blend zone”, using Variable Spot Scanning (VSS) technology to create a larger optical zone, effectively reducing these aberrations and decreasing night glare.

A Custom LASIK procedure would be a better option, as it would treat the existing night vision problems.

At the Laser Eye Center of Silicon Valley in California, you can have Custom LASIK using the best of current Wavefront technology. Dr. Gary Kawesch never compromises on quality. Why not contact experienced LASIK surgeon Dr. Kawesch today and schedule your free consultation?

Article Source:http://www.articlesbase.com/vision-articles/lasik-and-night-vision-1402898.html

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