Trichiasis

What is Trichiasis?

Trichiasis is a common eyelid abnormality in which the eyelashes are misdirected and grow inwards toward the eye. Those inward-turning lashes rub against the cornea (the clear, dome-like window covering the colored iris and the pupil), the conjunctiva (the thin, clear membrane covering the sclera, which is the white part of the eye) and the inner surface of the eyelids, irritating the eye.

Trichiasis Causes

Anyone can develop trichiasis, although it is more common in adults. Trichiasis can be caused by an eye infection, inflammation (swelling) of the eyelid, autoimmune conditions and trauma such as burns or eyelid injury.

Certain conditions increase your risk of developing trichiasis:

  • Epiblepharon, a congenital disorder that occurs when loose skin around the eye form a fold that causes the lashes to assume a vertical position. Epiblepharon is most commonly found in children of Asian ancestry.
  • Herpes zoster eye disease.
  • Trauma to the eye, such as burns.
  • Chronic blepharitis, a common and ongoing condition where the eyelids become inflamed (swollen), with oily particles and bacteria coating the eyelid margin near the base of the eyelashes.
  • Trachoma, a severe eye infection that is commonly found in developing nations.
  • Certain rare disorders of the skin and mucous membranes, including Stevens-Johnson syndrome and cicatricial pemphigoid.

Trichiasis Symptoms

If you have trichiasis, your eye may feel irritated by the sensation of having something in your eye. Other symptoms include redness, tearing and sensitivity to bright light.

Eyelashes that have been rubbing against the cornea for a long time can cause a corneal abrasion or even a corneal ulcer.

Trichiasis Treatment

Trichiasis treatment involves removing the eyelash, follicle or both, or redirecting eyelash growth.

If the trichiasis is limited to a single eyelash or just a few eyelashes, your doctor may remove the problem-causing lash with forceps. While this eliminates the immediate problem, there is a chance the eyelash may grow back again in the wrong direction.

If you have multiple lashes growing toward your eye, your doctor may recommend surgery to have them removed permanently. At Virginia Eye Center, we utilize specialized equipment to perform surgery, called ablation, which uses radiofrequencies to remove the lashes and hair follicles from which they grow. The procedure is performed in our office and the eye is numbed during the procedure.

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