![]() Viral conjunctivitis is highly contagious and is caused by a virus such as the common cold or herpes simplex virus (the same virus that causes 'cold sores'). There are three types of conjunctivitis: Viral conjunctivitis In some cases, eyelid crusting can be so severe that it temporarily seals your eye shut. In addition to itchy, gritty, irritated and red eyes, conjunctivitis typically is accompanied by white, yellow or green eye mucus which can form a crust along the lash line while you sleep. Eye discharge is a common symptom of conjunctivitis, an inflammation of the thin membrane that covers the "white" of the eye (sclera) and the inner surface of the eyelids. Sleep in your eyes usually isn't cause for alarm, but if you notice a difference in consistency, colour and quantity of eye discharge, it could indicate an eye infection or disease.Ĭommon eye conditions associated with abnormal eye discharge include:Ĭonjunctivitis. When not washed away by tears, the accumulated debris, or "mattering," collects in the inner corner of the eye as well as along the lash line. Where does eye mucus come from?Įye discharge primarily consists of thin, watery mucus produced by the conjunctiva (called mucin), and meibum - an oily substance secreted by the meibomian glands which helps keep your eyes lubricated between blinks. Some sleep in your eyes upon waking is normal, but excessive eye discharge, especially if it's green or yellow in colour and accompanied by blurry vision, light sensitivity or eye pain, can indicate a serious eye infection or eye disease and should be promptly examined by your optometrist.įIND AN OPTOMETRIST NEAR YOU : If you need an eye test or are ready to purchase glasses or contacts, our locator will help you find a trusted source nearby. When you're asleep - and not blinking - eye discharge collects and crusts in the corners of your eyes and sometimes along the lash line, hence the term "sleep in your eyes." Your eyes produce mucus throughout the day, but a continuous thin film of tears bathes your eyes when you blink, flushing out the rheum before it hardens in your eyes. Sometimes called rheum, eye discharge has a protective function, removing waste products and potentially harmful debris from the tear film and the front surface of your eyes. It can be wet and sticky or dry and crusty, depending on how much of the liquid in the discharge has evaporated. Eye discharge, or "sleep" in your eyes, is a combination of mucus, oil, skin cells and other debris that accumulates in the corner of your eye while you sleep.
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