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pinguecula
Epidemiology:
- most prevalent in tropical climates
- correlates with UV exposure
Pathology:
- degeneration of the collagen fibers of the conjunctival stroma with thinning of the overlying epithelium & occasional calcification
Clinical manifestations:
- yellow-white raised lesion on the conjunctiva adjacent to the junction between the cornea & sclera
- will not extend over the cornea
- generally asymptomatic
Differential diagnosis:
- distinguished from pterygium, a wedge shaped area of fibrosis that appears to grow into the cornea
Related
pingueculitis
General
abnormal morphologic structure (malformation)
conjunctival disease
References
- Wikipedia: Pinguecula
http://en.wikipedia.org/wiki/Pinguecula