Eye Care Blog

Contact lenses- more to know

Added 20/9/2010

Contact lenses are now some of the most beloved choices for people with certain vision errors. Or some glasses users also wear lenses, for they do not like the inconvenience caused by heavy glasses and frames. Lenses are now also some of the most beloved alternatives for athletes and people who often do sports or other activities. This is because more and more achievements are made in the field, particularly for these people. Anyway, contact lenses can now be used for much wider purposes with much greater glamour than ever before.

In fact, the first contact lenses have made their appearance several centuries ago. Leonardo Da Vinci is legally credited with the inventor of contact lenses. However, it is only a kind of design and can not be used. However, time has witnessed the success of his idea and designs.

As time goes by, contact lenses are also upgraded greatly in many aspects, especially in safety. It is true that contact lenses in the past can cause a lot of problems, of which, oxygen permeability is a typical one. Because of this, many people’s eyes become infected or damaged as a result. And this is now perfectly resolved with the emergence of permeable materials and contact lenses. These lenses can allow sufficient oxygen for eyes and any possible vision infection can be avoided.

Some people tend to buy contact lenses online if they have the prescription. In fact, this action involves a lot of risks and problems. Eye doctors’ help and suggestions are essential when people buy lenses. And it is also needed for buyers to try on several pairs and get the most suitable pair. Besides, online lenses are not guaranteed in quality sometime. Anyway, it is essential to ask eye doctor for help if people really want to buy lenses.

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Contact lenses may lead to eye allergies

Added 8/9/2010

It is found that many people may suffer from allergies, especially in certain season- the ratio is one in five. Though eye allergies are common, they may lead to discomfort or even other serious outcomes. And they must be treated properly in time. At the same time, wearers of contact lenses run much high risks.

Though eye allergies can be genetic problems, but most of them are caused by environmental factors. Eye allergies occur when some foreign bodies come into eyes, which will react for combating. And the result is the emergence of eye inflammation and other symptoms. Usually, healthy eyes can play nice job in cleaning these allergens. But contact lenses will make this much worse- many allergens are accumulated on them. Therefore, lenses must be cleaned often.

Generally, allergies can be categorized into different groups according to certain symptoms. If lenses users fell itchy and irritated in their eyes, they may suffer from giant papillary conjunctivitis, one of the commonest symptoms among lenses users. It can be caused by allergens and improper insertion of the lenses. Of course, the symptoms will disappear when the lenses are removed. Other allergies include vernal kerato conjunctivitis and atopic kerato conjunctivitis.

Therefore, to avoid these allergies, lenses users should be very careful in wearing and maintenance. Make sure that hands are clean and dry while inserting and removing the lenses; never rub eyes though they are irritated or itchy; never share any eye products with others; never sleep in these lenses; never use improper eye drops; never use lenses all day long, but also with glasses, etc. All these measures can help lower the risk of getting allergies.

Another point should be noticed that some lens solution may also lead to eye allergies, for some special substances in the solution may lead to allergies. And now, solution is one of the main causes for eye allergies. This is because people with sensitive eyes can not use regular solution. For this, they should use certain solution particularly for sensitive eyes. For more details, consult with eye doctors.

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Pay More Attention to Prescription Contact Lenses

Added 6/9/2010

People with certain vision problems can use prescription contact lenses if they do not wear prescription glasses. This is because glasses may damage wearers’ personal images; they may also bring wearers a lot of inconvenience when wearers have to do some special things. For example, many people tend to wear lenses other than glasses if they want to play sports games. If they do not wear lenses, they may give up playing. Or some people may wear glasses while working and lenses while playing. Therefore, prescription contact lenses are essential for people who want to play games or do some outdoor activities. However, these lenses must be prescribed and users should consult with their eye doctor first.

But in some cases, lenses are not ideal options, such as swimming. In this situation, the lenses may be contaminated by bacteria in the water. If people really want to wear lenses, some protective glasses or swimming goggles are also needed. Remember to keep clean of them at all time.

In fact, the prescription for lenses varies greatly from that of glasses and people should make a new prescription if they want to wear prescription lenses. Pay more attention to this, for inappropriate prescription may cause eye infection or vision damage. In addition, people should also know which types are they needed. Some are for fortnight wear; others are for much longer time. Of course, people can also choose their beloved color in the lenses, so as to make them unique in the public.

Besides, people without vision errors are also suggested to get personalized prescriptions. Therefore, it is not a good idea to purchase lenses without prescription. Especially, buying contact lenses online is not suggested.

If you want to know more about contact lenses knowledge, then feel free to visit http://vision.firmoo.com/contact-lensesContact Lenses

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