Classification and features selection of contact lenses

Vision – it is a unique system of feeling of man, which, according to various estimates, up to 90% of all information about the outside world. This is a tremendous burden in the absence of proper prevention, sooner or later produces to the development of various pathologies, the fall of its acuity (myopia, hyperopia). One of the best ways to solve this problem is the use of special corrective optical lenses, which are widely presented on the website .  

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What is a contact lens?

About what constitutes a normal lens, we have more or less clear idea from school physics lessons.  in fact, it is a part made from transparent, and most importantly, homogeneous material, allowing to provide the desired index of refraction. It has two main, facets of the convex light guide inward or outward form. In the context of view, most such lenses are used in glasses, but even when using all the stylistic tools, they strongly influence the image of a man. This forces to look for other ways of correction, and produces in the end to the use of contact lenses.

From a constructive point of view it is a thin-walled hemispherical lens which is made of transparent polymeric materials. It has the minimum size (in diameter similar to the cornea of the eye) and is virtually invisible to the outside observer. Thus, there is a non-surgical vision correction, which does not affect the usual image and style of the person. On this basis, according to statistics, a key audience for wearing contact lenses is young people under 35 years.

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What are the different types of contact lenses?

the classification System of these products is quite diverse, because in a particular case as a key criterion used by the material, design, mode of wearing. All contact lenses are divided into two main types:

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  • Soft. This is the basic mass (up to 90% of all contact lenses in the world) correctors, which is formed from hydrogel and silicone-hydrogel by polymerization
  • Hard. These lenses, which are made of gas-permeable polymers. Used they are in pretty severe cases, loss of visual acuity.
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What lenses are you can buy in the store LinzaVision?

Purchase and practical use of contact lenses – quite a crucial step that should be weighed carefully. Because our team has extensive experience in this area, customers can count on quality advice and assistance in choosing the appropriate means of correction.

Here you can purchase:

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  • daily disposables. The most comfortable and hygienic products, which are great for designer conditions. They are disposable and therefore do not require the use of funds for care and do not cause allergies;
  • Prolonged lenses. This reusable products. So, the customer may provide a 2-week (Acuvue), monthly (ClearLab, Cooper Vision, Bausch+Lomb), quarterly (Optima FW, OKVision) lenses and continuous wear lenses (Johnson & Johnson, Alcon Ciba Vision)
  • lenses. The client can provide a wide variety of multifocal (Xtensa Multifocal, Air Optix Aqua Multifocal), toric (Dailies Aqua Toric, Biomedics 55 Toric) lenses, and lenses with UV filter (Clear 38, Clearlux Bio, O2O2);
  • Colored and fancy lenses. It means rather to correct the appearance and not the view, however, and they find their application and demand in the community.

Article written on the basis of materials of a site the Internet-shop LinzaVision (phone: +38 /044/ 578-24-78).

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Source: http://uzinform.com.ua/

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