Contact lenses are distinguished by material (hard and soft), by wearing mode (traditional, contact lenses of routine replacement, frequent replacements, contact lenses of the prolonged mode of wearing and lenses of a flexible mode of wearing), by design (spherical, toric, multifocal), by designation (optical, cosmetic, decorative, therapeutic), by the degree of transparency (transparent, colored).
Selection of contact lenses is carried out individually for each patient, as incorrectly selected lenses can provoke serious complications from the eye, cornea, even loss of vision is possible. Examination by an ophthalmologist includes a series of tests to determine visual acuity, peripheral vision, eye muscles, and determination of intraocular pressure. Based on the results of the examination, the doctor will prescribe a method of vision correction and in the future you can start choosing contact lenses.
For the selection of contact lenses, you need to contact a specialized optics salon or a correction office. The eyes of each person have different shapes and sizes, so the doctor ophthalmologist will conduct special measurements of the eyeball, its surface, examine the condition of the cornea, and the degree of dry eye is also important.
After the examination the ophthalmologist puts on the test lenses and after 10-15 minutes will check their position. You may need to test more than one pair of lenses to make sure that the lenses are comfortable, fit properly and provide good vision.
Learning how to put on and remove contact lenses is very easy, you will be shown how to handle lenses, take care of them. The safety of contact lenses depends on the person, if he carefully observes the rules of hygiene and follows the recommendations of a doctor for the care of lenses, then the probability of occurrence of reactions and complications is minimal. The most safe one-day contact lenses are recognized. If you have a sensation of itching, irritation, discomfort, or burning sensation while using contact lenses, contact a specialist eye correction clinic immediately. It is necessary at least once a year, after the completion of the procedure for selecting lenses, to visit the ophthalmologist for the purpose of timely correction of visual acuity.