Contact lenses: the pros and cons. How to choose the right lens?
Perfect vision, to a great regret,have a few people. Many have since childhood to wear glasses. But such an accessory does not suit everyone. A wonderful alternative can be contact lenses. These devices for vision correction have recently become very widespread. Its products are offered both by foreign and domestic manufacturers.
Today the market presents a huge number of contact lenses, which
differ in form, purpose and material. All of them can be divided into hard and soft. Rigid lenses are prescribed by the doctor in rare cases. But soft contact lenses of long wearing are very popular not only among those who suffer from visual impairment. With their help you can change the color of the eyes.
By appointment, contact products for correctionvision is divided into therapeutic, cosmetic and optical. One device can combine several assignments at once. So, long-wearing contact lenses can not only correct vision, but also the appearance of the eye.
Also all vision correction tools are sharedon traditional and planned replacement. Lenses of the first type can be worn for a long period, and the second - it is necessary to change several times a month.
How to choose contact lenses?
To offer this or that kind of product,the specialist should first of all examine the patient's vision. An ophthalmologist can study each eye separately, using special devices. The doctor should find out how much vision is reduced, in what condition are the eye muscles, whether the intraocular pressure is increased. Only after a complete examination can you choose contact lenses. Pros and cons of a particular model should be clarified before purchasing.
A very important indicator is the correctplanting of the lens on the eyes. After all, eyeballs in individual patients differ in shape and size. Before choosing a particular model, an ophthalmologist should measure the size of the eyeball with a special device.
Patients with increased dry eyeit is recommended to choose contact lenses scheduled or daily replacement. Traditional options are not suitable for patients with a sensitive cornea. Remove the discomfort will also help drops when wearing contact lenses.
To see if the lenses are correctly selected,An ophthalmologist may ask the patient to wear a trial. Sometimes, in order to choose the appropriate option, you have to measure several pairs of products. To say it is unambiguously difficult, what contact lenses are better. Reviews about individual manufacturers are very diverse. Selection should be done, relying on their own feelings during the fitting.
How correctly to put on?
At first glance, it may seem thatthe use of contact lenses is a whole science. In fact, it's quite easy to learn how to put on and remove them. Most people get to use the product correctly with the second fitting. Lenses can become an integral part of the eye.
All products require a little time to land. Since the installation of the lens can take up to 10 minutes before they cease to be felt at all. The ophthalmologist will provide an accurate instruction on the treatment of vision correction tools and will tell you which drops to buy when wearing contact lenses. For reference, say that popular drugs are solutions "Oksial", "Hilo", "Chest" and others.
Use in a dream
Many patients wonder whetheruse lenses during sleep. Most products intended for vision correction, assume wearing only during wakefulness. This means that they should be worn in the morning and removed before bedtime. But on the sale there are also more expensive models that can be used and during sleep.
Experts still do not recommend the use ofproducts continuously. Eyes, like the whole body, should rest during a night's sleep. Long-term use of vision correction devices without interruption can cause not only visual impairment, but also other complications requiring long-term treatment.
For people who need constanteyesight correction, contact lenses will become a real find. Because glasses spoil the appearance. But the person who put on contact lenses, to identify is not so simple. Such an adaptation will come to the aid of girls who care about their own style.
Everyone should know how to pick up contact information.Lenses, suitable not only for medical indicators, but also for color. After all, quality models can also make the eye color more expressive or even change it.
Contact items for vision correction are veryconvenient to use. They can not be removed throughout the day. This device is especially convenient during sports. If you have a swimming lesson, you will have to get additional special glasses.
In the summer, you can wear sunglasses on top of the lenses. And vision will be at the right level, and mimic wrinkles will not appear.
A little about the shortcomings
Despite the fact that manufacturers offercomfortable and soft contact lenses, the cornea of the eye can still perceive the product as a foreign object. As a result, an allergic reaction may occur. If the device is used incorrectly, it can seriously damage the eye.
All contact lenses, the pros and cons are completely different. Solid models practically do not pass oxygen. Violation of gas exchange can cause inflammation in the eye.
A huge disadvantage is the costcontact devices for vision correction. A quality product is quite expensive. In addition, any device sooner or later will have to be replaced. Before you buy contact lenses, the pros and cons of a particular model should be clarified from an ophthalmologist. You should use any opportunity not to overpay.
We use correctly
First of all, you need to remember that the lensesare a medical device. Before using them, it is advisable to consult with a specialist. It's worth to buy only proven models that have been approved by experts. A lot of popularity, for example, use contact lenses Acuvue. Reviews about this manufacturer are only the most positive.
Before using the product, you need toWash hands well. It is also necessary to store contact lenses correctly. Pros and cons of using special solutions for lenses can be found out from an ophthalmologist.
The product must be used before the expiration date. Continued wearing can damage your eyes. For the time of night sleep, the lens should be removed.
Special care requires soft products. Do not drip on them without the permission of a doctor. An exception can only become special drops that are designed to moisturize the eyes.