Diseases of the Senses
These diseases affect the eyes, ears, nose, or mouth and may accordingly damage the ability to see, hear, or smell normally.
Diseases of the Senses Encyclopedia Articles
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macular degeneration
Macular degeneration, group of blinding disorders that cause the gradual deterioration of the retina in the eye. The central region of the retina contains the macula lutea, which receives focused incoming...
glaucoma
Glaucoma, disease caused by an increase in pressure within the eye as a result of blockage of the flow of aqueous humour, a watery fluid produced by the ciliary body. (The ciliary body is a ring of tissue...
ear squeeze
Ear squeeze, effects of a difference in pressure between the internal ear spaces and the external ear canal. These effects may include severe pain, inflammation, bleeding, and rupture of the eardrum membrane....
colour blindness
Colour blindness, inability to distinguish one or more of the three colours red, green, and blue. Most people with colour vision problems have a weak colour-sensing system rather than a frank loss of colour...
eye disease
Eye disease, any of the diseases or disorders that affect the human eye. This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination...
conjunctivitis
Conjunctivitis, inflammation of the conjunctiva, the delicate mucous membrane that lines the inner surface of the eyelids and covers the front part of the white of the eye. The inflammation may be caused...
deaf-blindness
Deaf-blindness, disability in which an individual has both a hearing impairment and a visual impairment. Deaf-blind individuals form a highly heterogeneous group, in which hearing and visual impairments...
keratitis
Keratitis, inflammation of the cornea, the transparent domelike portion of the eyeball in front of the iris and pupil. There are several varieties of keratitis, which can be caused by either infectious...
cataract
Cataract, opacity of the crystalline lens of the eye. Cataracts occur in 50 percent of people between the ages of 65 and 74 and in 70 percent of people over the age of 75. Typical age-related cataracts...
deaf history
Deaf history, the experience and education of deaf persons and the development of deaf communities and culture through time. The history of deaf people (those affected by varying degrees of deafness) has...
ear disease
Ear disease, any of the diseases or disorders that affect the human ear and hearing. Impaired hearing is, with rare exception, the result of disease or abnormality of the outer, middle, or inner ear. Serious...
uveitis
Uveitis, inflammation of the uvea (or uveal tract), the middle layer of tissue surrounding the eye that consists of the iris, ciliary body, and choroid. Uveitis can affect people at any age, but onset...
sinusitis
Sinusitis, acute or chronic inflammation of the mucosal lining of one or more paranasal sinuses (the cavities in the bones that adjoin the nose). Sinusitis commonly accompanies upper respiratory viral...