A 37-year-old woman presented with symptoms consistent with allergic conjunctivitis, but was found to have this incidental finding. What is the diagnosis?
Answer B. Prominent iris collaretteThe diagnosis is a protruding or prominent iris collarette. The finding was detected on slit-lamp examination. The iris collarette is a landmark that separates the central pupillary zone from the peripheral ciliary zone. It is typically flat but can be prominent, as seen here. This finding is a normal variant; it is benign and requires no treatment.
Aniridia
Prominent iris collarette
Coloboma of the iris
Granulomatous iritis
Immunology and Rheumatology