Abstract
Allergic conjunctivitis is a condition characterized by conjunctival inflammation caused by airborne allergens. The symptoms include: itching, excessive lacrimation, discharge, and conjunctival hyperaemia pink eye). The disease usually affects young adults and is associated with other allergic conditions like allergic rhinitis, and bronchial asthma for example. There are three types of allergic conjunctivitis, namely acute allergic conjunctivitis, seasonal allergic conjunctivitis (SAC) and perennial allergic conjunctivitis (PAC). The diagnosis is primarily clinical and the prevalence is on the increase. Therapeutic modalities include a combination of topical vasoconstrictor and antihistamine therapies, topical antihistamines with mast cell stabilising properties, topical mast cell stabilisers, topical glucocorticosteroids and (in some cases) oral antihistamines when necessary.
Highlights
Usually corresponds to a specific pollen seasonWood pollen in late summer or autumn
Allergic conjunctivitis is a condition characterized by conjunctival inflammation, presenting as acute, intermittent or chronic.[1]
Allergic conjunctivitis is estimated to affect at least 20 percent of the population on an annual basis with the incidence increasing.[2,3,4,5]. It is primarily a condition of young adults with an average age of onset of 20 years and the symptoms of the condition tend to decrease with age. 2-5 Allergic conjunctivitis has been affiliated with other allergic diseases like allergic rhinitis, bronchial asthma, atopic dermatitis and other related comorbidities.[6]
Summary
Wood pollen in late summer or autumn. 1. PAC is mild, chronic and has a waxing and waning quality. 2. It is related to year round environment exposure. History of atopy, seasonal allergy or specific allergy is usually present in these patients. All patients should be asked about a previous history of similar symptoms
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