Eyelash ingrown, medically known as trichiasis, is a condition where eyelashes grow inward toward the eye instead of outward. This can cause the lashes to rub against the cornea or conjunctiva, leading to irritation, discomfort, and potential damage to the eye. If left untreated, trichiasis can result in serious complications, including corneal abrasions and infections.
On a healthy lid the lashes grow outward, away from the eye. When a lash follicle is damaged or the lid margin changes direction, the lash turns inward and sweeps the cornea with every blink. The cornea carries the densest nerve supply in the body, so a single misdirected lash can cause relentless discomfort. Patients usually arrive saying there is something in the eye that they cannot get out.
No, and the distinction matters. A shed lash that lands on the ocular surface or under the lid is washed out by the tears within minutes to a few hours and the complaint ends. Trichiasis is different: the follicle stays in the lid and only the direction is wrong, so the irritation is constant and recurrent and will not settle on its own. Discomfort lasting for days despite lubricating drops points to the second situation.
The answer depends on the cause. If a shed lash has simply landed in the eye, do not rub: rubbing presses the lash against the cornea and can scratch the surface. Holding the upper lid gently and drawing it over the lower lashes helps sweep the lash out, and rinsing generously with artificial tears or sterile saline is usually enough. If the discomfort persists beyond a few hours, if the eye stays red or if vision blurs, an examination is needed.
If the lash direction itself is wrong, there is nothing at home that offers a lasting fix. Lubricants soothe, but the lash keeps growing and the complaint returns. The lasting answer is to eliminate the follicle or to correct the position of the lid. Plucking with tweezers relieves symptoms for four to eight weeks; the lash then regrows in the same direction, often with a stiffer tip. I therefore treat plucking as a temporary measure until the examination rather than as a treatment.
When only one or a few lashes are misdirected, I carry out the procedure in the office under local anaesthesia at the lid margin. The follicle is located under magnification and destroyed with electrolysis or laser; it takes a few minutes and the patient goes straight home. If the follicle is not fully destroyed the lash may reappear months later, in which case the procedure is repeated. Mild swelling and crusting along the lid margin for a few days afterwards is normal.
Where many lashes are misdirected across a broad segment, or where the lid margin is distorted by scar tissue, lash-by-lash methods are not enough. These patients need the lid margin to be reconstructed: removing the strip carrying the follicles, rotating the lid margin, or lengthening the inner surface with a tissue graft. These operations are also performed mostly under local anaesthesia and take thirty to sixty minutes.
When entropion accompanies the trichiasis, lid position is corrected first and any remaining misdirected lashes are dealt with at a second stage. Sutures come out during the first week and the gritty sensation eases markedly within days for most patients. Risks include regrowth of the lash, loss of neighbouring healthy lashes, notching of the lid margin and, rarely, recurrence.
Trichiasis should not be dismissed as a tolerable nuisance. The severity of the symptoms does not always match the degree of corneal damage; in some patients surface sensitivity drops, so the pain eases while the damage continues.
If the gritty feeling lasts more than a day, if the eye stays red, if you cannot tolerate light, if vision has blurred, or if the same eye keeps flaring up over months, you should be examined. At the examination I study the direction of the lashes under magnification, stain the cornea to assess the marks left by the rubbing, and measure lid position. Those three findings determine which treatment fits.
Eyelash ingrown (trichiasis) is a condition that can significantly impact eye health and quality of life. Early diagnosis and appropriate treatment are essential to prevent complications such as corneal damage. If you suspect you have ingrown eyelashes, consult an ophthalmologist promptly to explore your treatment options.
Ayşe Dolar Bilge MD, FEBOphth.
Ophthalmologist — Oculoplastic Surgery
As an Ophthalmologist, Dr. Ayşe Dolar Bilge, I provide diagnosis and treatment services with my experienced team.
If a shed lash has landed in the eye, rinsing with artificial tears or sterile saline without rubbing is usually enough and the discomfort ends within hours. If the lash direction itself is wrong, nothing at home offers a lasting fix. Drops soothe, but the lash keeps growing and symptoms return; the follicle has to be eliminated or the lid position corrected.
The commonest cause is chronic inflammation of the lid margin (blepharitis). Entropion, scar tissue after lid injuries or burns, infections, age-related tissue laxity and surgery close to the lid margin can all make lashes change direction.
Do not rub the eye; rubbing presses the lash against the cornea and can scratch it. Holding the upper lid gently and drawing it over the lower lashes helps sweep the lash out. Rinse generously with artificial tears. If it does not settle within a few hours, if the eye stays red, or if vision blurs, seek an examination.
Plucking relieves symptoms for four to eight weeks, but the lash regrows in the same direction, often with a stiffer tip. I therefore treat epilation as a temporary measure until the examination rather than as a treatment. Doing it yourself also carries a risk of scratching the ocular surface.
When only one or a few lashes are misdirected, the procedure is done in the office under local anaesthesia at the lid margin. The follicle is located under magnification and destroyed with electrolysis or laser, which takes a few minutes. Where many lashes are affected across a broad segment, the lid margin has to be reconstructed; those operations take thirty to sixty minutes.
When a lash breaks there is relief for a few weeks, then it regrows and starts rubbing again, which is why patients describe symptoms that come and go. As long as the follicle remains in the lid, the problem does not resolve by itself. If a lid malposition such as entropion underlies it, the situation usually worsens over time.
Constant rubbing scratches the cornea and raises the risk of open sores and infection. Years of contact can leave permanent haze in the clear layer and reduce vision. In some patients surface sensitivity drops so the pain eases while the damage continues, which is why waiting on the basis of symptom severity is unwise.
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