17241745
Description
Flashcards by Eliza Needs, updated more than 1 year ago
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Created by Eliza Needs
about 5 years ago
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| Question | Answer |
| neurogenic or neuropathic | pain originating within the nervous system |
| accommodation | the ability of the lens to change its shape to allow clear vision at a variety of distances |
| macula | center of the retina, responsible for central vision, color vision, and fine detail |
| aqueous humor | the nutritive, watery fluid produced by the cilliary body/ maintains pressure and provides nutrients to the cornea and the lens |
| myopia | error in refraction commonly known as nearsightedness/ the eye focuses an image in front of the retina due to lens thickness |
| hyperopia | commonly referred to as farsightedness/ caused by the focusing of an image behind the retina with alters the transmission of light |
| astigmatism | caused by irregular curvature of the cornea or lens, prevents the focusing of images, blurry vision |
| presbyopia | a condition of farsightedness associated with aging, results from the inability of the ciliary muscle and lens to accommodate for near vision and is easily corrected with bifocals |
| strabismus | lack of coordinated extrinsic eye muscle function that prevents the eyes from lining up in the same direction/ commonly known as "cross eyed"/the misalignment of visual axes result in the inability to focus on a single object |
| amblyopia | commonly known as "lazy eye," may result from strabismus leading to the loss of visual detail from uncoordinated eye movement and focus |
| diplopia | a condition resulting from lack of coordination of the extraocular muscles, may result in double vision/ images fall on noncorresponding areas of the retina causing the visual defect |
| nystagmus | involuntary oscillations of the eye, results from abnormal function in the brain, labyrinth of the inner ear, and vestibular pathways responsible for controlling eye movements |
| conjunctivitis | commonly known as "pink eye," inflammation of the mucous membrane lining the eye |
| cataracts | results from the clouding of the lens, which alters vision focus by scattering the incoming light into the retina/ often results from the clumping or aggregation of the protein component of the lens |
| tympanic membrane | ear drum; located at the end of the ear canal opposite the external auditory meatus, marking the boundary of the middle ear |
| cochlea | contained in the perilymph-filled bony labyrinth; essential for hearing |
| otitis externa | inflammation of the skin of the external ear; associated with pain and discomfort; "swimmer's ear" |
| barotrauma | from sudden changes in atmospheric pressure; injury resulting from the inability of the ear to equalize barometric stress; commonly seen in air travel and sea diving |
| otitis media | infection of the middle ear, one of the most common disorders of the middle ear |
| mastoiditis | a bacterial infection causing inflammation of the air cells of the mastoid bone, may result as a complication of otitis media |
| otosclerosis | an autosomal dominant condition representing the most common cause of chronic, progressive, conductive hearing loss/ slow formation of the spongy bone at the oval window immobilizes the footplate of the stapes, impairing the conduction of vibration |
| presbycusis | sensorineural hearing loss consistent with aging |
| labryrinthitis | inflammation of the labyrinth of the inner ear; also precipitates severe vertigo and sensorineural hearing loss |
| tinnitus | ringing or whistling in the ears |
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