![]() ![]() Paralytic ectropion is usually treated with a lateral tarsal strip procedure also. The lateral tarsal strip operation is the procedure of choice for repairing involutional eyelid ectropion. The lower eyelid is shortened at the lateral canthus. ![]() The lateral tarsal strip operation is used to correct horizontal lid laxity. The type and cause of the ectropion are usually obvious from the history and the examination.Īfter the etiology of the ectropion is identified, a treatment plan can be made. Associated lower facial paralysis and brow ptosis usually accompany paralytic ectropion. Paralytic ectropion is caused by loss of orbicularis muscle support of the lower eyelid. Involutional ectropion is caused by horizontal laxity of the eyelid. Cicatricial ectropion is caused by shortening of the anterior lamella as a result of either trauma or cicatricial skin disease.
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