EyeAllergies眼睛过敏.doc

Eye Allergies 眼睛过敏 By Gina White, with updates by Marilyn Haddrill; reviewed by Vance Thompson, MD Eye allergies often are hereditary, and occur due to processes associated with other types of allergic responses. 眼睛过敏往往是遗传性的，和发生是由于与其他类型的过敏性反应关联的进程。 When an allergic reaction takes place, your eyes may be overreacting to a substance perceived as harmful, even though it may not be. These substances are called allergens. 当过敏性反应的发生，你的眼睛可能是反应过度有害感知的物质，即使它可能不会。这些物质被称为过敏原。 For example, dust that is harmless to most people can cause excessive production of tears and mucus in eyes of overly sensitive, allergic individuals. 例如，大多数人是无害的灰尘，可能会导致过于敏感，过敏的人的眼睛的眼泪和粘液过量生产。 Allergies can trigger other problems, such as conjunctivitis (pink eye) and asthma. Combined nasal and eye allergies create a condition known as rhinoconjunctivitis. 过敏可以引发其他问题，如结膜炎（红眼病）和哮喘。结合鼻腔和眼睛过敏，结膜炎作为已知的条件。 About 30 percent to 50 percent of U.S. residents have allergy symptoms. And about 75 percent of those symptoms affect the eyes.* 约30％至50％的美国居民有过敏症状。约75％，这些症状会影响眼睛。 Allergy Symptoms and Signs 过敏的症状和体征 Common signs of allergies include: 常见的过敏症状包括 Red, swollen or itchy eyes Runny nose 流鼻涕 Sneezing and coughing 打喷嚏和咳嗽 Itchy nose, mouth or throat Headache from sinus congestion 头痛鼻窦充血 Beyond more obvious symptoms, you also may feel fatigued and could suffer from lack of sleep. 症状比较明显之外，你也可能会感到疲劳，可能会遭受睡眠不足。 What Causes Eye Allergies? Many allergens are in the air, where they come in contact with your eyes and nose. Airborne allergens include pollen, mold, dust and pet dander. 许多过敏原在空气中，他们在那里接触到你的眼睛和鼻子。空气的过敏原包括花粉，霉菌，灰尘和宠物皮屑。 Other causes of allergies, such as certain foods or bee stings, do not typically affect the eyes the way airborne allergens do. Adverse reactions to certain cosmetics or drugs such as antibiotic eye drops also may cause eye allergies. 其他原因，如某些食品或蜂蜇过敏，通常不会影响眼睛的空气中的过敏原。某些化妆品或药物，如抗生素眼药水的不良反应，也可能会导致眼睛过敏。 Some people actually are allergic to the preservatives in eye drops such as those used to l