Pinguecula
Pinguecula is a type of benign growth that occurs on the eye. It is a yellowish, slightly raised lesion that forms on the conjunctiva, which is the clear, thin tissue that lays over the white part of the eye. Pinguecula is often mistaken for eye diseases or eye disorders, but it is generally harmless and does not affect vision.
Causes[edit | edit source]
The exact cause of pinguecula is unknown, but it is believed to be related to exposure to ultraviolet radiation, dry eye, and dust. It is more common in people who live in sunny and windy climates, and in those who do not protect their eyes from these conditions.
Symptoms[edit | edit source]
Pinguecula often causes no symptoms, but some people may experience a feeling of having something in the eye, eye irritation, or cosmetic concerns. In some cases, it can become inflamed and cause pingueculitis, which is characterized by redness, swelling, and discomfort.
Diagnosis[edit | edit source]
Pinguecula can be diagnosed by an ophthalmologist or an optometrist during a routine eye examination. The doctor will examine the eye using a slit lamp, which is a microscope that magnifies the eye. No special tests are usually needed.
Treatment[edit | edit source]
Treatment for pinguecula depends on the symptoms. If there are no symptoms, no treatment is necessary. If the pinguecula causes discomfort or becomes inflamed, lubricating eye drops or ointments, or possibly a mild steroid eye drop, may be recommended. In rare cases, if the pinguecula interferes with vision, contact lens wear, or is cosmetically bothersome, it can be surgically removed.
Prevention[edit | edit source]
Prevention of pinguecula involves protecting the eyes from sun, wind, and dust. This can be done by wearing sunglasses that block 100% of UVA and UVB rays, wearing a hat with a brim, and using artificial tears in dry or dusty conditions.
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Contributors: Prab R. Tumpati, MD
