Conjunctivitis

Conjunctivitis is a common but preventable eye condition, often called ‘red eye’ or ‘pink eye’ due to the bloodshot appearance of the white parts of the eye (the sclera) which is symptomatic of the disease.

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The bloodshot appearance of the eye is caused by an inflammation of the conjunctiva (the clear outer layer of the eye). This inflammation causes the blood vessels in the conjunctiva to dilate, resulting in a pink or red appearance to whites of the eye or eyes.

Conjunctivitis can be caused by a virus, bacteria or by allergies. Each cause has different symptoms and treatments.

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• Viral conjunctivitis is common in children and those who are exposed regularly to the public due to its contagious nature. As well as a pink or red appearance to the eye or eyes, those with viral conjunctivitis may suffer from excess tearing, itching or light sensitivity.

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• Bacterial conjunctivitis is caused by exposure of the eye to bacteria (often transferred by touching or rubbing the eye with unwashed hands) and can result in long term sight implications if not treated appropriately. Sufferers of bacterial conjunctivitis will experience eye discharge in addition to the red or pink appearance of the eye or eyes.

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• Conjunctivitis caused by allergies will be accompanied by symptoms such as burning or itching eyes, excess tears and a blocked or running nose.