Hay fever. A child's eyes,swollen with fluid (orbital oedema) as a result of hay fever. Hay fever is a very common allergic response to air- borne particles,or "allergens",such as pollen. When allergens are inhaled,or when they come into contact with the eyes,they provoke an exaggerated response from the immune system. Typical symptoms include a runny nose and watering eyes. Pollen-induced hay fever is seasonal,occurring especially in summer when grass pollen is abundant. This patient also suffers from allergic conjunctivitis,where the eyes become red,watery and sore | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 5072 px × 3425 px |
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