Millions of people deal with eye allergies, also known as allergic conjunctivitis. The conjunctiva which is a transparent membrane that covers the white of your eye (the sclera) is ten times more sensitive than the skin to allergens.
An allergen is a substance that can cause an allergic reaction. When your eyes are exposed to an allergen like pet dander, pollen, dust or mold, cells in your eyes called mast cells release histamine and other chemicals that cause inflammation. This gives rise to the signs and symptoms of eye allergies.
Usually, your eyes would be itchy, red and watery. There might be no discharge, or a sticky, stringy mucus discharge. Your eyelids may appear swollen, and your eyes may become sensitive to light (photophobia). You may also feel a burning or stinging sensation in your eyes.
This is a very common eye allergy that occurs in response to seasonal allergens such as tree, weed and grass pollens. These are the most common pollens. Tree pollens come in the spring, grass pollens come in the summer and weed pollens com in the fall. Seasonal allergic conjunctivitis may be associated with hay fever (allergic rhinitis).
This occurs as a result of perennial allergens such as house dust, animal dander and mite. Pet dander from cats, dogs and other animals can get into the eyes from the hands. House dust contains many allergens such as dust mites, and mold if the humidity in your home is high. These can cause year-round daily symptoms.
Other eye allergies include vernal keratoconjunctivitis (which is prevalent in the tropics and almost absent in cold climate), atopic keratoconjunctivitis and giant papillary conjunctivitis.
Place a clean hand towel in cold water, squeeze, then place it over your itchy eyes. It gives a soothing and calming effect.
Over the years, we’ve heard a lot about our eyes and eye glasses, and we wonder whether some of the information we’ve received is true. When it concerns your eye health, it’s necessary to be well-informed so as to take the best care of your eyes and to be able to tell a myth from the actual fact.
Our eyes are among the most fascinating and complicated parts of our bodies. How much do we truly understand about them and how they function? We rely on them every day, but we rarely think about them until something goes wrong and our vision is impaired. We’ve compiled a list of interesting facts about eyes that you may not be aware of!
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