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EYELID DISORDERS CAUSES |
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Stye Styes are usually caused by bacterial staphylococcal infections. The symptoms are pain and inflammation in one or more localized regions near the eyelid margin. Chalazion A chalazion is caused by a blockage in the outflow duct of a meibomian gland. Symptoms are inflammation and swelling in the form of a round lump in the lid that may be painful. Blepharitis Some cases of blepharitis are caused by bacterial infection and some by head lice, but in some cases, the cause is unclear. It may also be caused by an overproduction of oil by the meibomian glands. Blepharitis can be a chronic condition that begins in early childhood and can last throughout life. Symptoms can include itching, burning, a feeling that something is in the eye, inflammation, and scales or matted, hard crusts surrounding the eyelashes. Entropion Entropion usually results from aging, but sometimes can be due to a congenital defect, a spastic eyelid muscle, or a scar on the inside of the lid that could be from surgery, injury, or disease. It is accompanied by excessive tearing, redness, and discomfort. Ectropion Similar to entropion, the usual cause of ectropion is aging. It also can be due to a spastic eyelid muscle or a scar, as in entropion. It also can be the result of allergies. Symptoms are excessive tearing and hardening of the eyelid conjunctiva. Eyelid edema Eyelid edema is most often caused by allergic reactions, for example, allergies to eye makeup, eyedrops or other drugs, or plant allergens such as pollen. Trichinosis, a disease caused by eating undercooked meat, also causes eyelid edema. However, swelling can also be caused by more serious causes, such as infection, and can lead to orbital cellulitis which can threaten vision. Symptoms can include swelling, itching, redness, or pain. Eyelid tumors Tumors found on the eyelids are caused by the same conditions that cause these tumors elsewhere on the body. They are usually painless and may or may not be pigmented. Some possible causes include AIDS (Kaposi's sarcoma) or increased exposure to ultraviolet (UV) rays which may lead to skin cancer. |
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| EYELID DISORDERS RELATED ITEMS | ||
