According to the latest research, today more than 135 million people around the world have various vision problems. The most common are:
- hyperopia (farsightedness);
- myopia (myopia);
- cataract;
- glaucoma;
- night blindness;
- retinal detachment;
- astigmatism.
При этом в подавляющем большинстве случаев не do without surgery. However, today people with long-sightedness or vice versa with myopia may not resort to emergency measures. The problem is simply solved with the help of glasses or contact lenses. And more and more people give preference to the latter. What is their advantage, how to pick up the lens for the eyes, what exactly should pay attention to when choosing, will be discussed in this article.
Advantages of contact lenses
Not all people agree to wear glasses.This is especially true of children and adolescents who fear the nickname "bespectacled." At the same time, poor eyesight entails many problems. People who do not see well enough often get into funny situations when they do not recognize their friends on the street and do not greet them. In addition, with poor eyesight it is likely to miss the desired bus and not see any object on the street. At the same time for many glasses are absolutely unacceptable. And it is for this category of people that the best way out of the situation is wearing lenses, which have undoubted advantages. They do not distort the size and do not reduce the field of view, like glasses. In this case, the lenses allow you to lead an active lifestyle, erasing the difference between people with good vision and short-sighted.
In addition, not all people can pick up points,which would emphasize individual merits, while contact lenses do not require any special correction. Also, no weather conditions will interfere with wearing lenses, while glasses can sweat or get wet, thereby reducing the level of visibility.
How to start choosing contact lenses
The basic rule to consider whenthe choice of lenses is that only an ophthalmologist will help to select them correctly. Therefore, in no case can they be acquired without proper consultation. It is very important to know how experts select lenses for eyes. It should be remembered that there are contraindications to their wearing:
- various inflammatory processes;
- strabismus;
- glaucoma;
- subluxation of the lens;
- various allergic reactions.
In any of these cases, wearing contact lenses will have to be abandoned. However, the correct selection of lenses will bring a lot of positive emotions and a feeling of comfort.
The main criteria for the correct choice of contact lenses
Having made a firm decision to start wearing contact lenses, you should know what basic criteria should be taken into account when choosing them. It:
- radius;
- diameter;
- location;
- production material.
Ophthalmologist advice
The need for careful examination ofThe ophthalmologist is determined by the fact that the correct selection of lenses is crucial for healthy eyes. When diagnosing vision, the doctor determines the following parameters:
- corneal curvature;
- intraocular pressure;
- Diopter dimensions;
- visual acuity;
- condition of the muscles of the eye.
Indications for wearing lenses
In addition to the personal desire of a person, there are certain indications for wearing contact lenses. They can be:
- cosmetic (change in eye color due to various defects);
- professional (when wearing glasses is contraindicated in certain types of activities);
- medical.
Medical indications for wearing lenses
The most common indication for wearingcontact lenses is myopia of varying degrees. In this case, they contribute to the improvement of binocular vision and accommodative apparatus, which is impossible when wearing glasses. Thus, the greatest correction of myopia is possible with lenses.
Another equally common diseaseAn eye that corrects good lenses is astigmatism. It should be borne in mind that you need to choose the lenses taking into account the disease, since the usual can worsen the state of vision. If the selection was carried out correctly, it will be a guarantee of high quality of view.
Wearing lenses by people suffering from presbyopia, or in other words, presbyopic vision, requires the use of complex structures, which does not always guarantee sufficient comfort.
With keratoconus, it is the lenses that become the best.way to improve the quality of vision. In this disease, the cornea takes the form of a cone, which cannot be corrected with glasses. At the same time, properly selected contact lenses significantly reduce the level of optical changes, which contributes to a high corrective effect.
For each of these diseases, the question of how to pick up the lenses for the eyes is strictly individual and requires careful adherence to all features.
Basic requirements for contact lenses
При принятии решения приобрести линзы отзывы people who have already used them, are of no small importance. However, if you want to get a really high-quality product, you need to pay attention to the following parameters:
- level of oxygen permeability;
- the degree of moisture content;
- terms of wearing;
- appointment.
Terms of wearing lenses
One of the most important indicators of proper wearing of lenses are the terms of their operation. They are divided into lenses:
- daily replacement;
- scheduled replacement;
- traditional wearing period;
- prolonged wearing period.
Daily lenses are a one-time product.the lifetime of which is one day. For the price they are more expensive than other options, but they guarantee eye health. In addition, daily lenses do not require any special care and do not give any complications. The most common brand of this category are contact lenses 1 day.
The period of wearing lenses for scheduled replacement varies fromtwo weeks to three months. This type prefers the greatest number of people. Such lenses offer a fairly high level of oxygen permeability and moisture content. The best choice in this category would be two-week lenses.
Extended Wear Lenses whichdifferently called silicone-hydroline lenses, enable their use for more than a day, including sleep time. However, despite the fact that such lenses saturate the eyes with oxygen and during sleep, ophthalmologists do not recommend sleeping in them without urgent need. Knowledge of the features of each type of product will allow you to choose the right lenses.
Lens Care Rules
Regardless of the type and duration of wearing lenses,Careful care is needed. Having decided to start wearing contact lenses, you should think about choosing a good liquid for them, which will not cause eye irritation or dryness. With the wrong choice of fluid, the period of wearing the lenses decreases dramatically, and the risk of various complications increases significantly. That is why it is necessary to pay due attention to the acquisition of a good liquid for contact lenses. In addition, every time you place the lenses in a special container, you need to change the liquid so that they undergo cleansing and disinfection.
It is also extremely important to follow the rules of hygiene whenhandling contact lenses. Wash your hands thoroughly with soap and water every time you use it. It is strictly forbidden to transfer your lenses for wearing to another person, as well as taking strangers. It is also extremely important to observe the terms of their wearing and to acquire new ones in time.
Possible problems for newbies when wearing lenses
Having made a firm decision to start wearing contactlenses should be prepared for the possibility that some sensations of discomfort are possible, especially at the initial stage. This is primarily an adaptation to a foreign object in the eye, which is different for everyone. In addition, many have difficulty in the process of putting on lenses, as well as their removal. Moreover, if you decide to start wearing lenses, reviews that can be heard are not always prepared for all these difficulties. Therefore, it is the desire and patience will be the key to the successful application of this corrective product.
Signs to stop wearing lenses
Despite all the advantages of contact lenses, allpeople are different, and they may not be suitable for everyone. It is quite possible the occurrence of various reactions that require the immediate rejection of the corrective product. As a rule, these are various manifestations of allergy and constant dryness in the eyes. If the problem is not solved when changing lenses, it means that none of them are suitable and will have to be abandoned.
So it is wrong to think that the lenses area panacea for poor vision. Having learned how to pick up the lenses for the eyes, having performed all the necessary examinations and having stopped on any variant, one should be prepared for the fact that the adaptation process will not be as smooth as we would like. It should be remembered that the process of manufacturing lenses is constantly being improved. And even finding the most suitable ones, you still have to change them for more modern and high-quality ones over time.
