PMC3381109_01
Swan-neck deformity in the fifth finger due to previous attacks of rheumatoid arthritis.
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The proximal interphalangial (PIP) and metacarpophalangial (MCP) joints in both hands were principally involved resulting in significant deformity in the fifth fingers (Fig. 1).
Circumferential corneal involvement (left image) in a 24-year-old man with rheumatoid arthritis. Note the peripheral corneal thinning, vascularization and lipid deposition (middle image); and significant peripheral thinning and ectasia with slit beam illumination (right image).
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The central cornea however, was clear and free of lipid deposits and vascularization (Fig. 2).
Slit lamp photography with retro-illumination reveals band-like lesions together with dispersed vesicles compatible with posterior polymorphous dystrophy.
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The band-like lesions had parallel scalloped edges which did not taper toward the ends and were more prominent with retroillumination (Fig. 3).