Symptoms arise from an immune response that causes histamine release and other materials that are liberated from mast cells, and this is what is causing the expansion and Aaúaa irritates nerve endings, leading to increased secretion of tears.
The definition of Medilexicon's contains: allergic conjunctivitis is the immune response in the conjunctiva Ttoasitha Alglupulinat immune (E) and associated with itching, redness, Damaa ones and this inflammation is usually seasonal caused by an allergic (rather than a septic), and it is linked to other features of the reactions of allergic and affects more than 10% of population.
Allergens is considered one of the following substances to more allergic conjunctivitis:
• pollen (hay fever)
• fur animals
• eye drops
• Makeup
• mites and dust.
Allergic conjunctivitis is classified into different categories and with some of the following cite:
1 - seasonal allergic conjunctivitis (inflammation of allergic conjunctivitis and nasal allergic rhinoconjunctivitis):
The pollen of the most common allergens which cause allergic conjunctivitis, especially in countries with cold winter (far from the equator).
If you are suffering from conjunctivitis caused by pollen often you have symptoms of hay fever, which include: sneezing, runny or stuffy nose, itchy nose, itching and runny eyes.
(Of course when these symptoms accompany the condition called seasonal allergic conjunctivitis, because it only occurs during the spring and summer when the flowers and herbs and trees in the process of pollination).
Of course, these symptoms may appear in early autumn, when some people.
2 - plea conjunctivitis (inflammation of conjunctivitis and contact dermatitis Contact dermatoconjunctivtis):
And is usually caused by cosmetics, eye drops and other chemicals that irritate the conjunctiva in some people, what is causing the allergic response is different to different people and scalability Thsshm of these materials.
In this case symptoms develop within two days to 4 days after contact with the material eye.
3 - Aertal papillary conjunctivitis Giant papillary conjunctivitis: and is caused by contact lenses which is preceded by a feeling of satisfaction it can get worse and worse, causing severe redness in the eye.
Can also be for this type of conjunctivitis that occurs after eye surgery when the patient is put to hard contact lenses.
Also, some say that the lack of attention to hygiene when dealing with contact lenses and solutions may participate in eye injury Ballantnat.
4 - conjunctivitis Holi Perennial (extended throughout the year):
As the name implies, this type of conjunctivitis throughout the year and continues to be the main cause sensitivity to house dust mites and domestic.
The sensitivity of the domestic mite is an immune response to specific proteins found in the mites cause other problems as well as conjunctivitis or its flow Cansdad nose, sneezing and asthma.
It can also be caused by animal dander (small scales from animal skin or hair or bird feathers), which cause allergic reactions in some people
What are the symptoms of allergic conjunctivitis?
Most people with allergic conjunctivitis have problems with both eyes. Symptoms may appear rapidly, immediately after eye contact with the allergen material.
In other cases, as in some eye drops, symptoms may take two to four days to appear.
The following symptoms are more typical for allergic conjunctivitis:
• redness of eyes, pink eye: The most common symptom to some extent, and the eyes become Mthajtan because telangiectasia (small blood vessels) in the conjunctiva.
• Pain: Some people suffer from pain in one or both eyes. If the eyes are very red and painful, it is necessary to visit the doctor.
Any patient with red eyes and painful and has become sensitive to light (photophobia Photophobia) and felt that his vision had been affected, he must see a doctor immediately.
• Itching: Since they are irritated eyes may be itchy. (Pruritus may be exacerbated if the patient Pferkha).
• swelling of the eyelids: eyelids may swell when the conjunctiva becomes inflamed or if the patient Pferkha much.
• lesion: inflammation may make the entire region and ulcerated Mamadh. Some people say that the soreness feeling like a burn.
People with seasonal allergic conjunctivitis infection will suffer from symptoms at certain times during the year usually from the beginning of spring, summer, and also to the fall.
People with arthritis and allergic conjunctivitis lasting vulnerable at any time of the year. There may be specific times during the day gets worse the symptoms more than other times.
If the eyelids red and chapped or dry it is a sign that the patient often has a tangential conjunctivitis.
Conjunctivitis and conjunctivitis plea papillomavirus Aertal are not seasonal Symptoms may occur at any time of the year.
How is the diagnosis of allergic conjunctivitis?
Skilled therapist (general practitioner and a physical therapist) must be able to diagnose allergic conjunctivitis after examining the patient by assessing the signs and symptoms.
Tags are a pathological phenomena detected by the doctor of his own (red eyes) The symptoms are the phenomena that the patient tells the doctor (as pain) and the doctor will ask about other symptoms Kattas, runny nose or Ansdadeh.
Here on the processor to exclude cases that share some with conjunctivitis symptoms.
If you have the following symptoms should see a doctor immediately and could face other symptoms more severe than indicated:
- Did not my eyes.
- Sensitivity to light (light phobia).
- Visual problems.
- Severe redness in the eyes.
The following conditions (other than the allergic conjunctivitis) can cause redness of eyes:
- Septic conjunctivitis: caused by bacteria, viruses or sexually transmitted diseases.
- Acute glaucoma: an uncommon form of glaucoma which causes a rise of pressure in the eye, symptoms may appear quickly and acute untreated glaucoma can lead to loss of sight is reversible (non-treatment).
- Inflammation of the cornea: the cornea becomes inflamed and ulcerate in some cases may progress to scarring of the cornea and scarring that may cause loss of sight temporarily.
- Inflammation of the iris: If not treated it will stick to the iris lenses proof of the displaced fluid dynamic iris, and the result may be irreversible destruction of the eye.
The doctor makes sure if there was a latent or other material behind Kohadab eye irritation, for example.
Severe cases: If the symptoms are severe or very bad For the processor to switch the patient to a specialist Balaanah.
Previous surgery:
- Any person who has previous eye surgery and has evolved to the case of papillary conjunctivitis will be transferred to a specialist Balaanah by his doctor.
- It is important to control the eyes and make sure the effectiveness of treatment.
- Most of the therapists sent the patient to a doctor in kind if infection is suspected, skin and conjunctiva purpose here is to confirm the diagnosis.
What is the treatment of allergic conjunctivitis?
Whatever the cause of inflammation, the following procedures, may be useful:
1. Should not be wearing contact lenses before the final disappearance of symptoms, and should not be wearing contact lenses before the lapse of 24 hours of use of any medication on the eyes.
2. Stop rubbing the eyes and rub as this can lead to worsening of the situation in spite of feeling the need for friction or rubbing the eyes.
3. Eye wash or clean wet towel moistened with cold water, while others recommend immersing the face with warm water and open the eyes and believe that an interest rate, while others opposed this move strongly.
4. Avoid allergens such as pollen and by closing the windows and close the distance between the solar glasses or by a piece of cloth when you exit.
It also should not use pillows that contain feathers and replace them with other materials is the elimination of allergens and mites in order to eliminate sensor dust mites.
Antihistamines:
Antihistamines provide quick benefit for patients and eliminate the symptoms quickly, in case of conjunctivitis Althssse doctors prescribe antihistamines by mouth or drops in kind.
These class of drugs to reverse the effect of histamine produced by the immune system response to foreign objects, in short make these drugs less aggressive immune system.
More commonly used antihistamines are Ssiterazin, fexofenadine, loratadine, which is described Yumiaan single dose by mouth.
The most commonly used eye drops and it Azelactin Aimidastin Alkitovan and which is applied topically to the eye twice a day.
Antihistamines are very useful in allergic conjunctivitis is also useful in Althssse rhinitis or runny nose or blocked nose, nose or sneezing Alhak.
Since some antihistamines cause drowsiness, the cases of people who eat for the first time should be wary of driving and working on heavy machinery in order to avoid side effects of the drug.
Mast cell stabilizers:
Mast cell stabilizers, and take much longer to begin to show any beneficial effects - compared with anti-histamines - but when you start work, the effect lasts longer.
Some patients are given anti-histamine and mast cell stabilizers at the same time as the antihistamines the alleviation of symptoms before starting mast cell stabilizers work.
Months of the mast cell stabilizers: Aeodoxamed and nedocromil. Are given in the form of eye drops.
Mast cell stabilizers are a row of drugs not Alstroidah ballasts, which reduce the release of chemical compounds that cause inflammation of the mast cells
Calcium channel blockade is necessary to remove the mast cell degranulation, install the cell; and thus prevent the release of histamine.
Alstroidat corticosteroids:
And is described only if the symptoms are particularly severe. Are rarely described.
Corticoid: steroid hormone produced from the adrenal cortex.
Alstraaidat corticosteroids are produced synthetically and just like the medicine is reduce the swelling and reduce the body's immune response.
Alstroidat work well, but should not be given for a long time because of potential side effects
Complications of allergic conjunctivitis:
Complications of allergic conjunctivitis Holi (year round) or seasonal very rare. The incidence of symptoms is frustrating for the patient more than the expected complications. Also to feel that people with pollen from throughout the year may suffer from discomfort.
Allergic conjunctivitis case of trouble, and can disrupt the patient's daily life. And can be affected by concentration of the patient, especially if the symptoms within the eye - (Information is crucial for visual focus).
Experts say that allergic conjunctivitis should not affect long on the health of the patient.
Complications of conjunctivitis, contact dermatitis and conjunctivitis complications papillomavirus Aertal:
There is a greater likelihood of complications in these types of conjunctivitis. In spite of that the most likely, but remains small
There is risk of corneal inflammation (keratitis). Inflammation of the cornea that can cause blisters to form on the cornea and significantly increase the risk of scarring and thus can cause permanent visual impairment.
Symptoms include inflammation of the cornea:
• severe pain in the eye
• the direction of light sensitivity (photophobia)
• blurry vision
• a sense of something is in the eye
• tearing of the eye
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