Harm points for eyes
Glasses – the most popular device for correction of human vision, despite the appearance of comfortable and invisible in the eye lens, they are still used by the majority of people. Points easy to use good improve vision and do not require careful maintenance. But it is believed that the glasses reduce visual acuity. One begins to see worse when the external eye muscles cease to work well and are unable to provide the desired shape of the lens. If you constantly wear glasses, according to many experts, the muscles will start to get used to this state and to atrophy. As a result, the vision continues to fall, the man goes to new glasses, and this situation is repeated. So often, patients are prescribed lenses with a little low diopters to load the muscles of the eye. In fact, the harm from points not exactly proved, there are instances when a person all his life, wears glasses, and his sight is not reduced, and conversely, many people visual acuity is getting worse, despite the fact that they do not use the devices for correction.
But certainly we can say that for eyes harmful incorrect glasses. Doctors say that if a person wears a device with lenses that are not destined for its performance, then his eyesight will deteriorate by approximately 5% per year. So pick up points need only have a competent specialist, it is important to check both eyes. The doctor should not only choose the desired number of dioptres for each eye, but also to determine the focus and distance between pupils.
Cheap sunglasses from plastic or any material which transmits the sun rays is also harmful to the eyes, they cause burns of the cornea and cataract.
Harm contact lenses for eyes
Modern contact lenses are breathable, soft lie on the eye, without causing inconvenience and causing a scratch, well correct vision, providing a full overview, whereas with glasses peripheral vision remains poor. But the damage from mismatched lenses can be more than from improperly selected glasses as the lenses snug against the eye, are constantly in contact with the mucosa, can RUB the eyes, causing corneal erosion, conjunctivitis, ulcers, and other diseases.
Buying lenses is necessary only in specialized salon or center vision correction after inspection specialist.
The lack of care and improper use of contact lenses also lead to unpleasant consequences. The lenses need to be cleaned every day, stored in a special solution to put on and take off only with clean and dry hands, otherwise it could get infected.
Advice 2: How to clean contact lenses
Contact lenses are a very delicate means of vision correction. Damage them quite easily: they can deform, break, dirty. Almost any modern lenses are made from hydrogel material. It is porous and allows the eye to breathe, absorbs moisture, but also susceptible to dirt. If you have chosen contact lenses as an everyday attribute, take care and the proper care for this accessory.
You will need
- - plastic tweezers;
- - cleaning solution (or saline).
Contact lenses are perfectly absorb dirt. The problem lies not only in the surface dust particles and hair, which is easy to wash off solution. Lens, neglect, dirty on the inside. It can be as a speck of dust, grit and various substances and harmful microorganisms. Constant contact with the surface of the eyeballs leads to the formation on the surface of the deposits of organic nature. These factors do not simply bring the lens into disrepair, they increase the risk of developing eye diseases. To avoid losing health and vision lenses (especially extended wear) daily or weekly should be washed and cleaned.
To do this, purchase approved ophthalmologists special solutions. Their composition is tailored to the security requirements for eye health. But low-quality tools with expired shelf life can cause serious illness, including blindness. The most simple and effective way to care for contact lenses — the use of multipurpose solutions. They are designed for storing, cleaning, disinfecting and rinsing contact lenses.
Before each interaction with lenses, wash your hands thoroughly with soap and water. Remove and put the lens in the container with the plastic tweezers.
Cleaning of contact lenses is performed in the following sequence. Fill clean container with fresh solution, put the lens on the palm of the concave surface up. Store lens solution index finger can easily press down and RUB the surface of the lensafter cleaning, thoroughly rinse the product in solution.
To disinfect lenses, remove it with tweezers from the solution, fill the container with fresh medium and immerse the lenses in it for at least 4 hours (preferably overnight). Lenses ready to wear.
In any case, do not use for storage and disinfection of lenses homemade saline solution. You will significantly reduce the life of the product, and the wearing of such lenses will only cause discomfort and even itchy eyes. If you can't afford to purchase a quality solution for cleansing and disinfection of lenses, use normal saline which you can buy at the pharmacy.