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acous/o
audi/o
audit/o
hearing
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acoustic
pertaining to hearing
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audiometer
instrument for testing hearing
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auditory
pertaining to sense of hearing
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myring/o
tympan/o
tympanic membrane (eardrum)
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myringotomy
incision of the tympanic membrane
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tympanoplasty
surgical repair of the tympanic membrane
any surgical procedure designed to cure a chronic inflammatory process in the middle ear or restore function to sound-transmitting mechanism of the middle ear
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otorrhea
inflammation of the ear with purulent discharge
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Achromatopsia
congenital deficiency in color perception
color blindness: more common in men
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astigmatism
defective curvature of the cornea and lens, which causes light rays to focus unevenly over the retina rather than being focused on a single point, resulting in a distorted image
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cataract
degenerative disease in which the lens of the eye becomes progressively cloudy, causing decreased vision
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conjunctivitis (pink eye)
inflammation of the conjunctive that can be caused by bacteria, allergy, irritation, or a foreign body
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diabetic retinopathy
retinal damage marked by aneurysmal dilation and bleeding of blood vessels or the formation of new blood vessels, causing visual changes
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Glaucoma
- condition in which aqueous humor fails to drain properly and accumulates in the anterior chamber of the eye, causing elevated IOP.
- -eventually leads to loos of vision and blindness.
- -Treatment: miotics (eyedrops) that cause pupils to constrict/ surgery may be necessary
- open angle: most common; results from degenerative changes that cause congestion and reduce flow of aqueous humor through the canal of Schlemm
- -painless; destroys peripheral vision, causing tunnel vision
Closed angle:
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