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meibomian cyst, accumulation of lipid material from a chronically obstructed meibomian gland in the eyelid
inflammation of the cornea, caused by bacteria, virus, or fungal infections, herpes simplex keratitis most common
increased IOP, occurs after the age of 40 - eye discomfort, reduced peripheral vision (open angle), painful, hard sightless eyes (angle-closure)
the sensory layer becomes separated from the pigmented layer of the retina - "floaters", definite gaps in vision or blind spots
functional hearing loss
no organic cause is found, no damage to auditory nerve is visible, stems from an underlying psychological problem
bony fixation of the stapes, slow or stops vibrations of stapes = impairs or destroys hearing
infection of one of the mastoid bones, usually an extension of a middle ear infection that was untreated
inflammation of the labyrinthine canals of the inner ear, most common cause of vertigo
fluctuations in the production or reabsorbsion of fluid in the inner ear; there is too much circulating fluid - vertigo, tinnitus
characterized by capillary microaneurysms, hemorrhage, exudates and formation of new vessels, treatment is photocoagulation
the damage to the macula that occurs in both eyes, with one eye's vision tending to deteriorate more rapidly. blurred vision is the first symptomatic (dry), distortion of vision; lines become wavy (wet)
open angle glaucoma
familial tendency with onset age 45-65, slow and progressive vision loss, halos, and eye pain, drugs must be taken for life
closed angle glaucoma
rapid onset of decreased vision, halos, and severe eye pain, medical emergency, treated with emergency meds
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