contact lenses worn directly on the eye, where they "float" on a thin film of tear fluid, which is formed on the surface of the cornea.Choose the appropriate lens will ophthalmologist.Not only does it measure visual acuity, but also orient you in the vast ocean of modern ophthalmic devices.
Eye Dress directly on the eye, where they "float" on a thin film of tear fluid, which is formed on the surface of the cornea.
choose the right lens you will eye doctor.Not only does it measure visual acuity, but also orient you in the vast ocean of modern ophthalmic devices.
Most people opt for the convenience of the lens.In addition, unlike glasses, they allow the person to look natural.Contact lenses are used for so-called correction of refractive errors.This visual disturbances, which include nearsightedness (myopia), farsightedness (hyperopia), astigmatism and presbyopia.Lenses to correct astigmatism are called toric
.Usually they are made to order, subject to the disorder of each particular case.
Moreover, contact lenses can be used by people who were operated for cataract, when the "native" clouded lens is removed.Also, the lens used in the treatment of certain eye diseases such as keratoconus (thinning and changing shapes on the corneal cone), and traumatic or infective corneal damage.
Especially for people with myopia and presbyopia (age-related near vision) developed
bifocal contact lenses.In addition, each lens allows a person to see distant objects and simultaneously read or work with similar objects.If bifocal lenses do not suit you, the ophthalmologist may recommend
.At the same time for one eye chosen lens for the correction of myopia, and for another - to correct farsightedness.Many people who have discovered the monovision, able to adapt to it.And yet, this correction method is not without drawbacks.Since each eye separately operates, it gives binocular vision, which in turn leads to defective perception of depth.In other cases, the correction of presbyopia, the doctor may recommend a combination of reading glasses with contact lenses for distance vision.
infants and young children contact lenses are usually prescribed in exceptional cases for the treatment of certain diseases, such as aphakia (congenital absence of the lens), amblyopia ( "lazy eye"), and severe disorders of refraction.Many teenagers prefer lens glasses, especially if they are teased at school.However, it is important to remember that in adolescence lenses have to change very often, which is associated with age-related changes in the eye up to 20 years.
lenses have a slight adverse effects, which, however, can irritate some people.But in general, the risk of infection or other complications is extremely low.
Wearing contact lenses may lead to the following disorders:
Part of the problem occurs when you use a certain type of lens.The solution lies in more frequent cleaning and changing of the solution, and in some cases - and in the change of the type of lenses themselves.In addition, the cause of the problem often lies in the failure to comply with the instructions for use (wear of time, disinfecting, storage).Do not forget that the health of your eyes is only in your hands!
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