Pinguecula

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Eye anatomy

A pinguecula is a common, non-cancerous growth of the mucous membrane lining the eyeball and underside of the eyelids (conjunctiva).

A pinguecula appears as a small, yellowish lesion derived from the conjunctiva. It can appear on either side of the cornea, but usually appears on the nasal side. It may increase in size over many years. The cause is unknown, but chronic sunlight exposure and eye irritation may contribute to its development. Welding is a significant occupational risk.

Review Date: 10/20/2006
Reviewed By: Manju Subramanian, MD, Assistant Professor in Ophthalmology, Vitreoretinal Disease and Surgery, Boston University Eye Associates, Boston, MA. Review provided by VeriMed Healthcare Network.