Situational dry eye is often due to exposure to heat or chemicals. Because of histamine, your eyes may grow red and itchy between spring and fall when there is a lot of pollen. This process creates histamine, a chemical signal that makes the eyes tear up and swell to eliminate the irritants. That’s because the powdery pollen inflames the blood vessels in your eyes. Those with seasonal allergies often have worsened symptoms during times with high pollen. Also, people who swim in chlorinated or salty water may have dry eyes after contact with the water. Dry climates like deserts also have this effect.Įxposure to sunlight can also increase tear evaporation because UV rays hasten this natural process. These environments have low humidity, which can quickly evaporate tears. People are more susceptible to dry eyes while on an airplane or in a place where the heat is on. Lacking sufficient amounts of one or more of these ingredients is a typical cause of dry eye. Tears are a combination of water, mucus, and oil. Most cases of chronic dry eyes or dry eye syndrome are due to problems with your tears. This discomfort will make you want to blink to try and moisturize your eyes to limit the irritation. Your body makes and disperses these liquids through ducts in the eyelids.ĭry eye syndrome may make your eyes appear red and feel like they are burning. What is Dry Eye?Ī film of tears and oils protects your eyes from debris and keeps them moisturized all the time. Keep reading to learn more about dry eye syndrome and common treatments you can use to keep your eyes healthy and moist. However, severe persistent cases may require expert attention. Most people have dry eyes at some point in their lives.
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