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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]
Eratosthenes, who among other things was a Greek geographer and mathematician, contracted ophthalmia as he aged, becoming blind around 195 BC, depressing him and causing him to voluntarily starve himself to death. He died in 194 BC at the age of 82. [6] Hannibal's sight was lost in his right eye in 217 BC by what was likely ophthalmia. He lost ...
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.
A eye drops recall pulling two brands of artificial tears are the latest development in what the Centers for Disease Control and Prevention calls an outbreak of “extensively drug resistant ...
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 ...
Orbital cellulitis is inflammation of eye tissues behind the orbital septum. It is most commonly caused by an acute spread of infection into the eye socket from either the adjacent sinuses or through the blood. It may also occur after trauma. When it affects the rear of the eye, it is known as retro-orbital cellulitis.
Sympathetic ophthalmia (SO), also called spared eye injury, is a diffuse granulomatous inflammation of the uveal layer of both eyes following trauma to one eye. It can leave the affected person completely blind. Symptoms may develop from days to several years after a penetrating eye injury. It typically results from a delayed hypersensitivity ...