Will trichiasis cause the eyes to tear?

Written by Wang Fang
Ophthalmology
Updated on September 05, 2024
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Trichiasis can cause the eyes to tear. Patients with trichiasis exhibit significant tearing symptoms because the cornea is rich in nerve endings and is very sensitive to foreign stimuli. In trichiasis, the eyelashes poke and irritate the cornea, thus stimulating the nerve endings and causing reflex tearing. Therefore, patients with trichiasis should be treated promptly to avoid irreversible damage to the cornea, such as scars or corneal ulcers. For minor trichiasis, local electrolysis can be used to destroy the hair follicles so they no longer grow; for more severe cases, it is recommended to visit a hospital for surgical correction of the trichiasis.

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Written by Li Zhen Dong
Ophthalmology
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Will the surgery for trichiasis recur?

Entropion is treated surgically by removing a part of the eyelid skin to correct the entropion and prevent the eyelashes from irritating the conjunctiva or the cornea. The surgical outcomes for this condition are generally good. Over time, as eyelids may become more lax, entropion can recur. However, this is not considered a recurrence but rather a progression of the condition. Following these occurrences, the primary focus should be on maintaining good eye hygiene, proper eye usage, avoiding staying up late, consuming a bland diet, and avoiding spicy and irritating foods. Regular follow-ups are recommended, along with consuming fruits and vegetables that are high in vitamins E, A, and C.

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Written by Tao Yuan
Ophthalmology
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Is it better to open the eye corner for inverted eyelashes?

Patients cannot be cured of trichiasis by undergoing canthoplasty. Symptoms of trichiasis generally do not improve after canthoplasty, as trichiasis is usually caused by the abnormal growth direction of the eyelashes at the edge of the eyelid towards the cornea, or by spasm of the orbicularis oculi muscle, causing the eyelid edge to roll towards the eyeball. Trichiasis can injure the corneal tissue, leading to eye congestion, redness, foreign body sensation, pain, photophobia, and tearing. For a small amount of trichiasis, the lashes can be plucked with tweezers, but this often recurs. If trichiasis recurs frequently, electrolysis treatment can be performed to destroy the follicles growing the ingrown lashes, thereby minimizing recurrence. For a large amount of trichiasis caused by entropion, surgical treatment is needed to correct the entropion for a cure.

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Written by Zheng Xin
Ophthalmology
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The harms of trichiasis

Trichiasis refers to the condition where eyelashes grow backward and irritate the eyeball. There are many causes of trichiasis, including eye injuries such as burns which can lead to scar formation and subsequently scarring trichiasis. Other causes include blepharitis and meibomian gland dysfunction. The harm posed by trichiasis is significant; the misdirected growth of eyelashes towards the eyeball and their constant friction can lead to conjunctival congestion, corneal opacity, ingrowth of new blood vessels into the cornea, and potentially result in keratitis and corneal ulcers.

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Written by Li Zhen Dong
Ophthalmology
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Can people with trichiasis wear contact lenses?

Patients with trichiasis often experience inflammation of the conjunctiva and the cornea, therefore, they cannot wear contact lenses. Once trichiasis occurs, it should be actively treated, especially targeting the trichiasis itself. If it is just a few eyelashes that are inverted, electrolysis of the eyelashes can be performed. If there are many eyelashes inverted, then surgical treatment should be considered. Once the condition stabilizes, contact lenses can be worn. However, since trichiasis affects corneal lesions, a corneal bandage lens can be worn to protect the cornea. Active treatment with eye drops and eye ointments is recommended, and hot compresses should be avoided.

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Written by Li Zhen Dong
Ophthalmology
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Can I pluck an inverted eyelash myself?

It is best not to pluck ingrown eyelashes yourself, as they will grow back even harder than before, and will grow irregularly in multiple directions instead of just outward. This will cause the eyelashes to grow disorderly. Ingrown eyelashes generally cause abrasion to the conjunctiva and cornea. If there are few ingrown eyelashes, treatment can be done by propping them up; if there are many, surgical treatment can be considered. To protect the corneal epithelium from ingrown eyelashes, certain eye drops like sodium hyaluronate may be used, along with anti-inflammatory eye drops like levofloxacin. With active treatment, recovery is usually complete. If not properly treated, it could gradually lead to corneal diseases, severely affecting vision.