• Three case reports illustrate a manifestation of Terrien's marginal corneal degeneration, the pseudopterygium. When present, the pseudopterygium has a characteristic appearance, which is of diagnostic value. This condition occurs at positions other than the 3- and 9-o'clock positions, and it grows onto the cornea at an oblique axis and has a rather broad, flat, leading edge. The pseudopterygium may appear extremely early in the disease when the marginal furrow may still be a subtle finding.
Goldman KN, Kaufman HE. Atypical Pterygium: A Clinical Feature of Terrien's Marginal Degeneration. Arch Ophthalmol. 1978;96(6):1027–1029. doi:10.1001/archopht.1978.03910050551012
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