Condition where eyelid folds inward, causing eyelash friction with cornea.Encyclopedia Entry for Entropion :Entropion. Entropion can be present at birth (congenital). In babies, it rarely causes problems because the lashes are very soft and do not easily damage the eye. In older people, the condition is most often caused by a spasm or weakening of the muscles surrounding the lower part of the eye. Another cause can be trachoma infection, which can lead to scarring of the inner side of the lid. This is rare in North America and Europe. However, trachoma scarring is one of the three leading causes of blindness in the world. Risk factors for entropion are: Aging Chemical burn Infection with trachoma.Symptoms include: Decreased vision if the cornea is damaged Excessive tearing Eye discomfort or pain Eye irritation Redness.In most cases, your health care provider can diagnose this condition by looking at your eyelids. Special tests are not often necessary.Artificial tears can keep the eye from becoming dry and may help you feel better. Surgery to correct the position of the eyelids works well in most cases.The outlook is most often good if the condition is treated before eye damage occurs.Dry eye and irritation may increase the risk for: Corneal abrasions Corneal ulcers Eye infections.Call your provider if: Your eyelids turn inward. You constantly feel as though there is something in your eye. If you have entropion, the following should be considered an emergency: Decreasing vision Light sensitivity Pain Eye redness that increases rapidly.Most cases cannot be prevented. Treatment reduces the risk of complications. See your provider if you have red eyes after visiting an area where there is trachoma (such as North Africa or South Asia).Eyelid - entropion; Eye pain - entropion; Tearing - entropion.Eye Eye.Gigantelli JW. Entropion.