how do allergies develop
Seasonal allergies affect about 20 percent of Americans. A significant portion of these people experience eye allergies, which can cause problems visual discomfort. Appropriate care, however, may limit or prevent the effects of ocular allergy.
There are about 40 million carriers contact lenses in the United States, the American Optometric Association estimates that about 75 percent of them reported eye pain and irritation caused by allergies.
Ocular allergy is a reaction to allergens or antigens of non-parasitic. Pollen, mold, mites or dust are common allergens that can enter the eye and create an inflammation of the conjunctiva. The conjunctiva is a tissue that lines the inner eyelid and cornea. It also helps to maintain moisture in the eye. Ocular allergies can be hereditary, but are not contagious.
Allergens are attracted to contact lenses. The lens can function as a sponge and to attract deposits and allergens, making it crucial for carriers to clean and disinfect contact lenses and follow the instructions given by their eye care physician.
Symptoms of allergies include red eyes, itching, burning, tearing, eye swollen, and feeling that something is in the eye. Some people with allergy eye blurred vision or feel distracted and tired.
Here below are three common allergic conditions – giant papillary conjunctivitis, vernal keratoconjunctivitis and atopic keratoconjunctivitis. Papillary Conjunctivitis Giant (GIC) is the most common allergic condition in carriers of contact lenses. Generally, the condition causes the eye itching and irritation. GPC is caused either by an allergic reaction to preservatives used in solutions for contact lenses or by deposits accumulated on the front lens.
If the wearer of contact lenses continues to wear, even when experiencing of GPC, symptoms such as itching, redness and irritation commonly occur. These symptoms can sometimes continue after the lenses have been removed. Those who continue to wear contact lenses in the presence of GPC also claim that their lenses back to the eye when flashing, which may cause the appearance of bumps and red buds to form, especially on the underside of the upper eyelid.
Treating GPC usually is to suspend the wearing of contact lenses while his condition improves.
Tips
– Do not rub your eyes, what will make things worse. Try putting a fresh linen over your eyes to relieve itching.
– • Wash hands with soap and water.
– Wash bedding in hot water to reduce allergens.
– Avoid wearing eye makeup.
— Never share contact lenses or eye makeup with anyone.
– Limit time lenses are worn.
– Try to wear lenses glasses and part-time part-time.
– Discuss with your eye care professional cleaning and replacement that best meet your needs.
– Use eye drops as recommended by your eye care professional.
– Use a rinsing and storage solution that does not contain known ingredients allergens, such as thimerosal.
Daily disposable lenses to avoid the accumulation of allergens on the surface of the lens and also eliminating exposure to disinfecting solutions and lens cleaning products in May that lead to allergic reactions.
The Allergies to preservatives in solutions for contact lenses
The body's response to allergens leads to nearby cells to release chemicals that result from inflammation. Some substances found in solutions for contact lenses can lead to this response, causing redness, itching and discomfort.
Conservatives in solutions for contact lenses may remain on the surface of contact lenses and / or within the glass matrix, even after the lens has been cleaned and disinfected. The Conservatives May cause an allergic reaction. Thimerosal is the chemical most frequently associated with ocular allergies, but other chemicals can also cause an allergic reaction. Reactions can develop at any time, even after several months or years with a solution.
To avoid a reaction allergic to contact lens solutions, it is wise to use products labeled "sensitive eyes" or "thimerosal free." Verify the label to ensure that the solution does not contain chemicals you might be allergic to May
Most carriers allergic solutions for contact lenses can continue to wear contacts without problem, but for some it might be better to try to wear lenses daily. Discuss your options with your eye care practitioner.
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