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Onchocerciasis, also known as river blindness, is a disease caused by infection with the parasitic worm Onchocerca volvulus. [1] 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]
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]
Fungal keratitis is a fungal infection of the cornea, which can lead to blindness. [2] It generally presents with a red, painful eye and blurred vision. [1] There is also increased sensitivity to light, and excessive tears or discharge. [1] It is caused by fungal organisms such as Fusarium, Aspergillus or Candida.
Onchocerca volvulus is a filarial (arthropod-borne) nematode (roundworm) that causes onchocerciasis (river blindness), and is the second-leading cause of blindness due to infection worldwide after trachoma. It is one of the 20 neglected tropical diseases listed by the World Health Organization, with elimination from certain countries expected ...
A woman's eye infection linked to recalled eyedrops took months to diagnose. How doctors identified the drug-resistant bacteria that caused her blindness.
Acanthamoeba are protozoa found nearly ubiquitously in soil and water and can cause infections of the skin, eyes, and central nervous system. [ 3 ] Infection of the cornea by Acanthamoeba is difficult to treat with conventional medications, and AK may cause permanent visual impairment or blindness, due to damage to the cornea or through damage ...
There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
According to the CDC, people should seek medical care if they have symptoms of an eye infection, including: Yellow, green or clear discharge from the eye. Eye pain or discomfort.