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Entropion and Ectropion

By

James Garrity

, MD, Mayo Clinic College of Medicine

Last full review/revision Jul 2020| Content last modified Jul 2020
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Entropion is inversion of an eyelid. Ectropion is eversion of the lower eyelid.

Entropion

Entropion (inversion of an eyelid) is caused by age-related tissue relaxation, postinfectious changes (particularly trachoma Trachoma Trachoma is a chronic conjunctivitis caused by Chlamydia trachomatis and is characterized by progressive exacerbations and remissions. It is the leading cause of preventable blindness worldwide... read more Trachoma ), posttraumatic changes, or blepharospasm Blepharospasm Blepharospasm is spasm of muscles around the eye causing involuntary blinking and eye closing. The cause of blepharospasm is most often unknown. It affects women more than men and tends to occur... read more . Eyelashes rub against the eyeball and may lead to corneal ulceration and scarring. Symptoms can include foreign body sensation, tearing, and red eye. Diagnosis is clinical. Definitive treatment is surgery.

Ectropion

Ectropion (eversion of the lower eyelid) is caused by age-related tissue relaxation, cranial nerve VII palsy, and posttraumatic or postsurgical changes. Symptoms are tearing (due to poor drainage of tears through the nasolacrimal system, which may no longer contact the eyeball) and symptoms of dry eyes Keratoconjunctivitis Sicca Keratoconjunctivitis sicca is chronic, bilateral desiccation of the conjunctiva and cornea due to an inadequate tear film. Symptoms include itching, burning, irritation, and photophobia. Diagnosis... read more Keratoconjunctivitis Sicca . Diagnosis is clinical. Symptomatic treatment can include tear supplements and, at night, ocular lubricants; definitive treatment is surgery.

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How to Remove a Foreign Body from the Eye
When treating a patient with a foreign body in the eye, examination of the eye using a slit lamp is appropriate. If at any time during the examination an intraocular foreign body or penetrating injury is suspected, which of the following is the most appropriate next step?
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