marginal furrow

furrow, marginal

A degenerative process occurring in the peripheral cornea characterized by corneal thinning. It is frequently associated with rheumatoid arthritis in which case there is epithelial defects and progressive ulceration. Furrows may also occur in corneal arcus without epithelial defect or vascularization. Syn. limbal furrow.
References in periodicals archive ?
Marginal furrow degeneration, Dellen, collagen vascular diseases, sclerokeratitis, staphylococcal marginal keratitis, pellucid marginal degeneration etc have been proposed as differential diagnosis.