BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuPingueculaA pingueculum is a common, noncancerous growth of the conjunctiva. This is the clear, thin tissue that covers the white part of the eye (sclera). The growth occurs in the part of the conjunctiva that is exposed when the eye is open. Causes The exact cause is unknown. Long-term sunlight exposure and eye irritation may be factors. Arc-welding is a major job-related risk.Eye irritationEye burning with discharge is burning, itching, or drainage from the eye of any substance other than tears.ImageRead Article Now Book Mark Article Symptoms A pingueculum looks like a small, yellowish bump on the conjunctiva near the cornea. It can appear on either side of the cornea. However, it more often occurs on the nose (nasal) side. The growth may increase in size over many years. Exams and Tests An eye exam is often enough to diagnose this disorder. Treatment The only treatment needed in most cases is the use of lubricating eye drops. Keeping the eye moist with artificial tears may help prevent the area from becoming inflamed. Temporary use of mild steroid eye drops can also be helpful. Rarely, the growth may need to be removed for comfort or for cosmetic reasons. Outlook (Prognosis) This condition is noncancerous (benign) and the outlook is good.BenignBenign refers to a condition, tumor, or growth that is not cancerous. This means that it does not spread to other parts of the body. It does not in...ImageRead Article Now Book Mark Article Possible Complications The pingueculum may grow over the cornea and block vision. When this happens, the growth is called a pterygium. These two conditions occur under similar conditions. However, they are thought to be separate diseases.PterygiumA pterygium is a noncancerous growth that starts in the clear, thin tissue (conjunctiva) of the eye. This growth covers the white part of the eye (s...ImageRead Article Now Book Mark Article When to Contact a Medical Professional Call your health care provider if the pingueculum changes in size, shape, or color, or if you would like to have it removed. Prevention Things you can do that may help prevent a pingueculum or keep the problem from getting worse include:Keeping the eye well lubricated with artificial tears Wearing good quality sunglasses Avoiding eye irritants Open ReferencesReferencesAmerican Academy of Ophthalmology website. Pinguecula and Pterygium. www.aao.org/eye-health/diseases/pinguecula-pterygium. Updated October 29, 2020. Accessed February 4, 2021.Cioffi GA, Liebmann JM. Diseases of the visual system. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 395.Reidy JJ. Corneal and conjunctival degenerations. In: Mannis MJ, Holland EJ, eds. Cornea. 5th ed. Philadelphia, PA: Elsevier; 2022:chap 75.Shtein RM, Sugar A. Pterygium and conjunctival degenerations. In: Yanoff M, Duker JS, eds. Ophthalmology. 5th ed. Philadelphia, PA: Elsevier; 2019:chap 4.9.AllVideoImagesTogEye anatomy - illustration The cornea is the clear layer covering the front of the eye. The cornea works with the lens of the eye to focus images on the retina.Eye anatomyillustrationEye anatomy - illustration The cornea is the clear layer covering the front of the eye. The cornea works with the lens of the eye to focus images on the retina.Eye anatomyillustrationRelated Information Mucosa(Special Topic)Conjunctiva(Special Topic)Eye burning - itching and discharge(Symptoms) Review Date: 12/14/2020 Reviewed By: Franklin W. Lusby, MD, ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- © 1997- All rights reserved. A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.Content is best viewed in IE9 or above, Firefox and Google Chrome browser.