Ectropion and entropion are malpositions of the palpebral margin in which it rotates outward (Ectropion) or inward (Entropion). The consequences of these malpositions are (besides the cosmetic ones): irritation of the eye surface, tearing and eye redness. As a final result, the cornea can become seriously damaged as a result of ulcers and infections.
The most common cause is a weakening of the muscles and tissues that support the eyelid as a result of aging. Also facial paralysis, regardless of age, produces flaccidity of the supporting structures of the eyelids. Finally, scarring secondary to trauma, burns or chronic inflammation of the skin or conjunctiva exerts traction of the margin outwards (Ectropion) or inwards (Entropion), respectively.
The treatment is surgical and basically consists of reinforcing the weakened structures and/or replacing the scar tissue with healthy tissue. . In most cases it is sufficient to reinforce the tendons that support the eyelids. This is done with minimally invasive surgeries that generally do not leave a visible scar. In scarred cases, we must also dry out the scar tissue and replace it with healthy tissue, using grafts from the patient himself, such as skin or mucous membrane, depending on the case.