Common complications of trachoma

Written by Peng Xi Feng

Ophthalmology

Updated on September 29, 2024

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Trachoma is a chronic infectious conjunctival keratitis caused by Chlamydia trachomatis. It is named trachoma because it forms a rough, uneven appearance on the surface of the conjunctiva, resembling sand grains. The complications of trachoma mainly include common conditions such as entropion, trichiasis, trachomatous corneal ulcers, ptosis, trachomatous dry eye, tear duct obstruction, chronic dacryocystitis, symblepharon, and corneal opacity, among others.

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The positivity for Chlamydia trachomatis is caused by what reason?

Chlamydia trachomatis is the main source of infection causing trachoma. There are many reasons that can lead to a positive test for Chlamydia trachomatis, mainly the following three points. These are poor hand hygiene of the patient, improper cleaning of the eyes, and infection by Chlamydia trachomatis in public areas. In fact, the primary reason is still the individual's failure to maintain proper hygiene practices. When symptoms of trachoma appear, it is necessary to seek medical attention promptly. Once diagnosed as positive for Chlamydia trachomatis, one should pay more attention to rest and eye hygiene. It is essential to maintain good hygiene habits regularly, and it is best to engage in some physical exercise, which can help strengthen the body's immune system.

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What does "syphilis negative" mean?

A negative test for trachoma means that the individual does not have the disease. Trachoma is a chronic infectious disease of the conjunctiva of the eye surface, caused by Chlamydia trachomatis infection. The acute phase of trachoma can manifest as redness, swelling, tearing, increased discharge, and a foreign body sensation in the eyes. If not well-controlled, trachoma can become chronic over time. Due to damage to the corneal epithelium from trachoma, prolonged duration can lead to decreased vision and even blindness. Treatment of trachoma mainly involves the local and systemic use of antibiotics. Local medications primarily include 0.1% rifampicin, 0.5% tetracycline, and sulfonamide eye drops, while systemic medications may include oral doxycycline and other tetracyclines. The treatment course for trachoma is relatively long, generally requiring medication for at least six weeks or more. (Please follow medical advice from a doctor for specific medications.)

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Ophthalmology

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Can trachoma cause blindness?

Trachoma is a chronic infectious conjunctivitis and keratitis caused by Chlamydia trachomatis, which can lead to blindness if left untreated. After the acute phase of trachoma is cured, it may leave no scars and not affect vision. However, repeated infections can lead to scarring, and in severe cases, complications may endanger vision. Entropion and trichiasis, where eyelashes constantly rub against the cornea, can cause the cornea to become opaque and form ulcers, leading to blindness. Chlamydia trachomatis can cause epithelial keratitis, and at the ends of corneal vascular pannus, corneal infiltration can occur along with entropion and trichiasis, which in turn exacerbates the damage to the cornea, causing opacification and leading to blindness.

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Ophthalmology

48sec

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Trachoma is what type of infectious disease

Trachoma is classified as a Class C infectious disease by national regulations. Trachoma generally manifests as red eyes, swollen eyes, eye pain, increased secretions, and a foreign body sensation, sometimes affecting vision. The conjunctiva in trachoma shows significant proliferative follicles, or pavement stone-like changes. The transmission of trachoma is mainly through contact. Additionally, it is categorized as a Type C infectious disease, with infectious diseases classified into three major categories: Type A, Type B, and Type C. After contracting trachoma, it is crucial to actively treat it with eye drops and to pay attention to eye hygiene.

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Does trachoma need treatment?

Trachoma is a chronic infectious conjunctivitis that can lead to blindness, so once diagnosed with trachoma, it is essential to undergo both systemic and local drug treatment. Systemic treatment includes the acute phase, where severe trachoma requires systemic use of antibiotics, generally for three to four weeks. Local treatment involves the application of rifampin, penicillin, and other eye drops, and erythromycin eye ointment, etc., for at least ten to twelve weeks. If complications such as entropion, trichiasis, ptosis, symblepharon, or chronic dacryocystitis occur, surgical correction is necessary.