Pinguecula
Definition
A pinguecula is a common, non-cancerous yellowish nodule of tissue (conjunctiva) that lays over the white part of the eye (sclera). They can appear on either side of the cornea, but they tend to occur more on the nose (nasal) side. They may increase in size over many years.
Symptoms
None to severe foreign body sensation, redness, tearing, decreased contact lens tolerance, poor cosmesis.
Causes
Exposure to ultraviolet rays.
Tests and Diagnosis
Slit lamp examination is essential.
Treatment
Lubrication with tear drops, gels and ointments. Surgical excision is occasionally performed for severe symptoms.
Prevention
Sunglasses and lubrication.