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Trachoma is an infectious disease caused by bacterium Chlamydia trachomatis. [2] The infection causes a roughening of the inner surface of the eyelids. [2] This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea of the eyes, and eventual blindness. [2]
Signs and symptoms may include abnormal vaginal bleeding or discharge, abdominal pain, painful sexual intercourse, fever, painful urination or the urge to urinate more often than usual (urinary urgency). [14] For sexually active women who are not pregnant, screening is recommended in those under 25 and others at risk of infection. [16]
Clinical signs and symptoms of C. trachomatis infection in the genitalia present as the chlamydia infection, which may be asymptomatic or may resemble a gonorrhea infection. [11] Both are common causes of multiple other conditions including pelvic inflammatory disease and urethritis. [5]
Signs and symptoms are also applied to physiological states outside the context of disease, as for example when referring to the signs and symptoms of pregnancy, or the symptoms of dehydration. Sometimes a disease may be present without showing any signs or symptoms when it is known as being asymptomatic. [13]
Arlt's line is a characteristic finding of trachoma, an infection of the eye caused by Chlamydia trachomatis. [2] The line runs horizontally, parallel to eyelid, and is found at the junction of the anterior one third and posterior two thirds of the conjunctiva. [1] The line is named after the Austrian ophthalmologist Carl Ferdinand von Arlt.
Symptoms include severe itching, bumps under the skin, and blindness. [1] It is the second-most common cause of blindness due to infection, after trachoma. [6] The parasitic worm is spread by the bites of a black fly of the Simulium genus. [1] Usually, many bites are required before infection occurs. [7]
Lagophthalmos, the inability to close the eyelids completely is the main cause of exposure keratopathy.Common cause of lagophthalmos is facial nerve (CN VII) palsy. Facial nerve function may affect in several conditions like cerebrovascular accident, head trauma, brain tumors, Bell's palsy etc. Physiological inability to close the eyelids during sleep (nocturnal lagophthalmos) may also cause ...
In many cases the cause of panuveitis is unknown. [5] Possible causes include exogenous or endogenous infection, injury, or an autoimmune disease. Endogenous infections caused by syphilis, tuberculosis, mumps, smallpox, influenza, toxoplasmosis, lupus, sarcoidosis, and immune-related inflammations such as Behcet syndrome or Vogt–Koyanagi–Harada disease causes panuveitis.