Posts Tagged ‘nearsightedness’
Laser Eye surgery is a popular methods to solve vision problems, such as correcting nearsightedness. With the development of laser eye surgery technology, the risk of getting side effects has reduced greatly for the past years. However, it doesn’t mean laser eye surgery is totally safe now, although some of its supporters still think that it is completely safe when the most advanced technologies are used during the laser eye surgery.
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Myopia is a big threat to young adults. Some are congenital, and some are acquired after birth. Nowadays, many treatments are put to use to correct their eyesight, such as eyeglasses, contact lenses and laser eye surgery. A plenty of young adults aged 20 to 25 prefer laser eye surgery to other prescriptions. Now that the cost of glasses or contacts is as much as a surgical procedure, the advantage of laser eye surgery is very obvious. The expense is not very much and it can solve the eye problem only by one surgery. Therefore a greater number of young adults choose to laser eye surgery to enhance their eyesight.
But does everyone can be treated by this method? The answer is absolutely no. Ophthalmologist suggest that young adults wait for at least two years after their eyesight is steady, as nearsightedness changes a lot in youth and can be steady at around 30.
After all, criterion above is not very clear and sometimes can be subjective. Whether to operate or not is still determined by the pre-op examinations. Only those who pass the exam have a good prognosis on operation.
If nearsightedness reduces the quality of one’s life, people with age-related eye problems suffer more. More than 200, 00 people in U.K. are blind due to old age. So ophthalmologists rack their brains to develop a technique to cure this disease. A professor at King’s College named John Marshall is doing a research about how to delay age-related macular degeneration (AMD), and acquires primary effect.
Now here I will introduce the principle briefly. Behind the retina, there’s a thin membrane in which stays a lot of waste. John Marshall stimulates enzymes to clear the waste away so that the function of eye can get its breath again. The result of trial in clinical is delightful. But it’s not enough, and more efforts must be made to improve the technique. Marshall has a dream that the treatment will be put to use in clinics in the next two to five years.
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Article Source:http://www.articlesbase.com/vision-articles/laser-eye-surgery-the-most-popular-choice-among-young-people-1643610.html
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Millions of people of the present world suffer from visionary problems. These problems are of two types: nearsightedness or myopia and farsightedness or hyperopia. When a person suffers from myopia he or she has problems seeing objects at far distance. The effect of hyperopia is just the opposite; people have problem seeing objects which are near. Some people even suffer from both myopia and hyperopia. Previously, the only solution or cure to these problems was wearing glass spectacles. Different type of glasses was used for these problems. People suffering from both myopia and hyperopia had to bear the most. They had to wear glasses made of two types of glasses, one at the upper part and other at the lower part; differentiated by a line across the glass. Such glasses were effective, but very uncomfortable, as they were heavy and the thick frames caused much discomfort. The person had to see either through the upper part or the lower part. The glass spectacles were also unattractive.
Nowadays, people do suffer from this eye problem, but the cure has become much easier. People don’t have to wear thick, heavy specs anymore. With the discovery of bifocal lens, people do not face this problem. Bifocal contact lenses have all the qualities that the bifocal glass specs had. Every online store sells these bifocal contact lenses from the reputed lens manufacturing companies. There are numerous well known companies who manufacture contact lenses. The online stores sell these lenses all over the world. They make enough profit from this.
Bifocal contact lenses are of various types; like the alternating designed lens, simultaneous designed lens, mono-vision lens, concentric design lens etc. Works of all these lenses are more or less the same; only the technique differs. In the alternating designed contact lens, half part of the lens has power to see distant object and other half is to see the nearer objects. The simultaneous designed contact lenses have mixed power, the human eye gets adapted to it slowly. In the mono-vision contact lens, two different type of lens are worn in the two eyes; whereas for the concentric contact lenses the inner part of the lens is used to see nearer objects and the outer part to see distant object or vice versa. People can use any of these varieties of lens according to the doctor’s prescription.
Making oneself adapt the bifocal contact lenses is little difficult. However, the manufacture of bifocal contact lenses has not yet started fully. Some large companies have started manufacturing it, but they can cost you a lot. If you are suffering from both myopia and hyperopia; and you are in search of bifocal contact lenses, then contact your nearest store or any online store. Moreover, the companies offers trial periods of 1or 2 weeks, after which you can return the lens if you find it uncomfortable for your eyes. If you are to use a contact lens for the first time, then consult anyone who has been using a lens. Get your own pair of contact lenses, if you get positive reply from others about it.
Get the best place to buy contact lenses is Contact Lense Compared where you can find the best quality contact lenses at a reasonable range.
Article Source:http://www.articlesbase.com/vision-articles/bifocal-contact-lens-a-cure-to-visionary-problems-1607762.html
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Laser eye surgery is one of the most valuable medical developments of our lifetime. It has given ophthalmologists a tool to improve sight and in most cases eliminate the need for glasses for good.
Since the new technique was perfected in the late 1980s it has transformed thousands of lives and continues to grow in popularity. This highly specialised procedure allows surgeons to reshape the eye’s cornea correcting the faults that cause blurring of vision. The treatment can be used to correct both Myopia (nearsightedness) and Hyperopia (farsightedness) so the days when thick glasses or contact lenses were the only option to see clearly are gone.
The idea of laser eye surgery has been around since the 1950s and was the result of several different doctors who all played a part in the advance of the procedure. The technique was initially the innovation of Jose Barraquer, a Spanish ophthalmologist who first came up with the idea of cutting into the eye’s cornea to alter its shape.
Twenty years on, the radial keratotomy procedure was developed by the Russian doctor, Svyatoslav Fyodorov, who stumbled upon the important finding when he was treating a boy who had fallen and cut his eye on his glasses. Fyodorov discovered that by shaving off the front layer of the eye the young boy had recovered with better sight than before.
The development of the Excimer laser by a group of scientists from the University of California turned the eye surgery dream into a reality and, because of the inventiveness and dedication of these doctors, the first pioneering surgery was performed in 1989 in Greece. Since then the operation has become a common procedure performed around the globe.
Further developments to the procedure have resulted in two main types of laser eye surgery. Photorefractive Keratectomy, commonly known as PRK, a procedure carried out on the surface of the eye, and LASIK surgery, which differs because of the incision made to the surface of the eye and the laser treatment that is applied to the corneal tissue beneath.
Because of the delicate nature of an eye the operation needs to be performed with great care and, although the technology sounds complicated, in the hands of a qualified practitioner it is a relatively straightforward one. In general, the operation takes around 30 minutes although the actual laser treatment can take as little as a minute.
The technology and development of laser eye surgery has resulted in a simple painless procedure with a very quick recovery time. Today the surgery boasts a 95% success rate with most patients enjoying full 20/20 vision which is a testament to the brilliance of the doctors who invented the ground breaking operation.
Adam Singleton writes for a digital marketing agency. This article has been commissioned by a client of said agency. This article is not designed to promote, but should be considered professional content.
Article Source:http://www.articlesbase.com/vision-articles/the-history-of-laser-eye-surgery-1579939.html