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Cogan syndrome is a rare, rheumatic disease characterized by inflammation of the ears and eyes. Cogan syndrome can lead to vision difficulty, hearing loss and dizziness. The condition may also be associated with blood-vessel inflammation (called vasculitis ) in other areas of the body that can cause major organ damage in 15% of those affected ...
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.
For example, very curvy ear canals, narrow ear canals, or surgical ears are more prone to earwax buildup. When wax builds up, it causes muffled hearing, tinnitus, or aural fullness (plugged-up ...
Usher syndrome, also known as Hallgren syndrome, Usher–Hallgren syndrome, retinitis pigmentosa–dysacusis syndrome or dystrophia retinae dysacusis syndrome, [1] is a rare genetic disorder caused by a mutation in any one of at least 11 genes resulting in a combination of hearing loss and visual impairment.
Dry eye syndrome is a common eye disease. [3] It affects 5–34% of people to some degree depending on the population looked at. [5] Among older people it affects up to 70%. [10] In China it affects about 17% of people. [11] The phrase "keratoconjunctivitis sicca" means "dryness of the cornea and conjunctiva" in Latin. [12]
Autoimmune inner ear disease (AIED) was first defined by Dr. Brian McCabe in a landmark paper describing an autoimmune loss of hearing. [2] The disease results in progressive sensorineural hearing loss (SNHL) that acts bilaterally and asymmetrically, and sometimes affects an individual's vestibular system .
Eustachian tube dysfunction can be caused by a number of factors. Some common causes include the flu, allergies, a cold, and sinus infections. [6] In patients with chronic ear disease such as cholesteatoma and chronic discharge, studies showed that they have obstructive pathology at the ear side of the Eustachian tube.
Among adults, it more commonly affects women than men – likely due to their closer contact with children. [2] The disease is the cause of decreased vision in 2.2 million people, of whom 1.2 million are completely blind. [2] Trachoma is a public health problem in 42 countries across Africa, Asia, the Middle East, and Central and South America. [7]