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Optometrist
There are four basic types of conjunctivitis: bacterial, viral, allergic and chronic/irritative.
The characteristic symptoms of bacterial conjunctivitis are bright redness which increases away from the cornea, and the presence of pus.
Viral conjunctivitis is characterised by paler redness, burning and tearing; usually in association with a recent history of the common cold or flu.
Allergic conjunctivitis is characterised by the symptom of itchiness. Redness, tearing, swollen conjunctiva and white, stringy discharge may also be present.
Chronic/irritative conjunctivitis may involve chronic, lowgrade symptoms of itchiness, burning, grittiness, redness, tearing. It is usually associated with dry eye, eyelid-margin disease or a lowgrade inflammatory reaction to certain bacteria on the ocular surface.
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