Colored lenses differ from transparent only in the presence of the figure. The dye is contained in the inner shell of the lens. Contact with the cornea excluded, but because these lenses are harmless. Some types of lenses have protection from UV rays.
Not to be excruciatingly painful
In order not to harm such a delicate organ of the human body, such as eyes, should follow certain rules. First, if you have purchased colored contact lenses, in detail ask the seller or ophthalmologist about the rules of care. Strictly follow all the requirements. Secondly, when buying, pay attention to the validity of lines of the lenses. Appropriate markings must be marked on the package. Third, do not wear lenses longer than recommended. Fourth, you customised lenses need specialist.
Optometric measurements in the selection of colored or transparent contact lenses must!
The term lens wear depends on their type. Daily disposable lenses are perfect for special occasions when you need to emphasize the natural iris shade or change it. Lenses short term wear can change the color of eyes, every time complementing your image. Contact lenses extended wear can be worn for a long time. Even if the manufacturer in advertising says that they can be worn for 30 days, doctors recommend still to do it at least once a week. Disinfection special solution removes protein deposits and other debris from the surface of the lens, and eliminate harmful bacteria. In addition, during the night your eyes will rest. Extended wear lenses are cheaper but require more careful care.
Proper care of colored contact lenses
Colored contact lenses are quite expensive, but because the care for them to save is not worth it. Quality products will prolong the life of each lens, and the risk of infection is reduced to almost zero. Be sure to buy a contact lens case and always carry it with you. There are special compact sets that include a container, tweezers and a tiny bottle of disinfectant solution. On the inside of the box has a mirror, which will facilitate donning and doffing lenses. Lenses long wearing breathable, but it is worth remembering that all the same it was a foreign body on the delicate membrane of the eye. To wear the lenses only with clean hands. If you accidentally drop the lens, check for mechanical damage and then rinse thoroughly with the solution. In cases where after putting on you feel discomfort, remove the lens and consult your doctor to have it checked out the lens on integrity.
To get rid of the discomfort moistening the surface of the sclera or flush a random speck of dust, will help drop a type of "artificial tears".
Daily disposable lenses require no care. After one day of wearing they can be removed and discarded. To wear longer than a day these lenses harmful.
If you follow all the precautions and wear the lenses correctly, the harm they will cause.