How to choose contact lenses

Selection of contact lenses depends on the condition of your eyes, your health, the value of the necessary correction of your wishes regarding care for the lenses, your profession and your wallet. Currently, there are many types of contact lenses. They differ in structure and material from which they are made. Each type of lens has its own mode and period of wear. Here we present information on the main types and modes of wearing soft contact lenses, however, remember that the selection of contact lenses held by a physician. In addition, no matter how you wear your lenses, you should see a doctor every six months, as some complications develop without pain, quietly.

 

 

 

Conventional contact lenses

 

In general, the proposed classification here is indicative only.

 

 

 

Conventional contact lenses, or a long service life (not to be confused with the mode of use) of all types of soft contact lenses were first. Learn these lenses is easy: they are always packaged in glass bottles. Conventional contact lenses - a relatively thick lens made of polymacon usually with a low moisture content. One pair of lenses worn by six months to a year. Caring for the lenses includes daily cleaning with special cleaners and enzymatic cleaning of one, once or twice a week. These contact lenses are worn from morning to evening and at night they are removed. The main disadvantage of these lenses - low oxygen permeability. However, these contact lenses are still around and in certain circumstances in combination can compete with planned replacement lenses.

 

Contact lenses are planned replacement

 

Planned replacement lenses are sold a set of several couples. One pair of lenses worn from one to three months, and then replaced. Typically these lenses are made from a water-containing material and have a higher oxygen permeability. Such lenses should also be removed in the evening, leave them at night in front of undesirable. But more precise guidance on this issue will give you your doctor. Many people wear these contact lenses longer, up to six months. It is a mild disorder that permitted under good medical control and requires regular and more careful lens care.

 

Contact lenses are a frequent routine replacement

 

This mode involves the replacement of lenses in 2-5 weeks. Typically the water content and oxygen permeation performance of these lenses is even higher than the previous ones and many of them are characterized in that they can be more safely worn continuously try mode, that is sleeping in the lens. Lens care easier as daily and enzymatic cleaners are not necessary. For the planned replacement lenses are often enough to use only a multifunctional solution. Some users have successfully wear these lenses up to two months. It depends on the characteristics of your tears on whether you shoot them at night and on the parameters of the specific lens. In any case, consult on this matter with your doctor.

 

Mode daily disposable

 

Apotheosis mode is often planned replacement. Every night you throw away your old lenses and in the morning put on new ones. Such lenses do not require any maintenance. We must remember that one day eye can not fully get used to the lens and cover it with biomolecules, which protects the lens from the eye tissue. Therefore, according to some estimates, the percentage of negative reactions in people's eyes, changing lenses daily, higher than that of those who change them every two weeks or once a month.

 

 

 

Over the past five years, the range of parameters and properties of contact lenses has expanded considerably, allowing you to choose what you need, not what is in the presence of optics. There are additional characteristics: UV protection, correction of astigmatism, a huge range of colors and shades, as well as unusually colored lenses and others.

 

Silicone hydrogel contact lenses

 

Silicone hydrogel contact lenses have kislorodoprnitsaemost 3-5 times the oxygen permeability of hydrogel lenses. We can say that with the advent of silicone hydrogel contact lenses contact lens has moved to a new level. Now, the patient need only be careful and disciplined, and his eyes are fine.