The ocular condition present in the patient whose case is to be reported has been described under various names, furrow keratitis, marginal degeneration of the cornea, ectatic marginal dystrophy of the cornea and other variants. Marginal dystrophy of the cornea seems most appropriate, as this feature is common in all cases and the term is in keeping with modern nomenclature.
The disease is rare. About 75 per cent of the reported cases were in males between the ages of 10 and 70 years. The condition is usually bilateral but is not always in the same stage of development in the two eyes. There is often a history of irriation of the eye and sometimes of persistent slight conjunctivitis. Rarely, rupture of the globe brings the first subjective symptom, or this complication may occur without subjective symptoms, as in the present case.
The furrow usually develops in the upper part of
ZENTMAYER W. MARGINAL DYSTROPHY OF THE CORNEA ASSOCIATED WITH PROLAPSE OF THE IRIS. Arch Ophthalmol. 1936;16(1):91–94. doi:10.1001/archopht.1936.00840190101012
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