Conjunctivitis Research Today is a free monthly online journal that collates and summarizes the latest research about Conjunctivitis, including details on pink eye, symptoms, causes, treatment, medication.

Phlyctenular keratoconjunctivitis in a patient with Staphylococcal blepharitis and ocular rosacea.

Neiberg MN, Sowka J

Nova Southeastern University College of Optometry, Fort Lauderdale, Florida 33328, USA. Neiberg@niva.edu

BACKGROUND: Phlyctenular keratoconjunctivitis is a type IV hypersensitivity reaction to an inciting agent. The presentation is usually bilateral. The diagnosis can be difficult, especially if compounded by an underlying skin disorder such as rosacea. The 2 types of phlyctenules are differentiated based on the location on the eye, i.e., conjunctival or corneal. CASE REPORT: A 22-year-old man presented with painful, bilateral, elevated vascularized corneal lesions. Ultimately, the diagnosis was bilateral phlyctenular keratoconjunctivitis secondary to concurrent posterior blepharitis and recurrent ocular rosacea. The patient was treated with topical steroids and followed up with until his lids and corneas stabilized. He was then maintained with oral doxycycline and cyclosporine ophthalmic emulsion 0.5%. Lid hygiene and maintenance is a key factor in the course of the disease. CONCLUSION: Phlyctenular keratoconjunctivitis usually responds well to topical steroids, but any inciting agents should be identified and treated. Complications include corneal scarring, thinning, and perforation. Staphylococcus aureus is a common culprit, and tuberculosis as a possible cause should also be considered.

Published 27 February 2008 in Optometry, 79(3): 133-7.
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