JOHN BAVOSI / SCIENCE PHOTO LIBRARY JOHN BAVOSI / SCIENCE PHOTO LIBRARY
Allergic conjunctivitis. Illustration of an eye showing allergic conjunctivitis and conjunctival oedema. The white of the eye is severely bloodshot. In this condition the lower part of the eye often becomes distorted due to build up of fluid (oedema) under the conjunctiva (the membrane that lines the inside of the eyelids and covers the white of the eye). These symptoms are caused by an allergic reaction of the conjunctiva to a foreign substance. Allergic conjunctivitis is common and can be triggered by make-up, contact lens solution or pollen. Treatment includes avoiding the cause, and antihistamine eyedrops to relieve the symptoms.
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