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| irid/o, ir-, irit/o (root) |
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| middle layer of the eye containing muscles and blood vessels |
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| acous/o, acus/o, acoust/o (root) |
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| tympanic membrane (eardrum) |
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| extracapsular cataract extraction |
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| intracapsular cataract extraction |
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| posterior vitreous detachment |
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| the process that allows the shape of the lens to change for near and far vision |
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| thick watery substance filling the space between the lens and cornea |
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| angle where the upper and lower eyelids meet |
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| opaque middle layer of the eyeball |
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| set of muscles and suspensory ligaments that adjust the lens |
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| the mucous membrane covering the anterior of the eyeball and inner eyelid |
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| transparent shield of tissue forming the outer wall of the eyeball |
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| a pit in the middle of the retina that is the area of sharpest vision |
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| the anterior part of the vascular tunic; the colored part of the eye |
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| lacrimal apparatus (term) |
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| collectively, the lacrimal gland, lake, canaliculi, and sac, along with the nasolacrimal duct |
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| the refractive structure of the eye lying between the iris and the vitreous body |
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| bony depression in the skull that houses the eyeball |
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| the outer surface of the eye; part of the fibrous tunic |
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| a transparent jellylike substance filling the interior of the eyeball |
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| the fluid component of the vitreous body |
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| condition that occurs when visual acuity is not the same in both eyes; lazy eye |
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| fuzzy vision caused by the irregular shape of one or both eyeballs |
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| inflammation of the eyelid |
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| blepharoconjunctivitis (term) |
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| inflammation of the palpebral conjunctiva, the inner lining of the eyelids |
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| involuntary contraction of the eyelid |
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| complete or partial opacity of the ocular lens |
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| herniated lacrimal sac (filled with fluid) |
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| inflammation of the tear sac |
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| dacryolith, ophthalmolith (term) |
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| a "stone" in the lacrimal apparatus |
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| excessive discharge of tears |
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| disease of the eye characterized by increased intraocular pressure and atrophy of the optic nerve |
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| a sty of the eyelid; a sty is an infection of a gland in the eye |
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| hyperopia, presbyopia (term) |
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| farsightedness resulting from loss of elasticity of the lens due to aging |
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| lack of parallelism in the visual axes; crossed eyes |
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| deflection of a ray of light into the eye for accommodation or correction of vision as it passes from one medium to another of different density |
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| surgical removal of the lacrimal sac |
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| incision into the lacrimal sac |
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| operative removal of the lens in pieces |
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| surgical fixation of a detached retina |
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| one of the two parts of the external ear |
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| waxlike secretion occurring in the external auditory canal |
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| part of the bony labyrinth |
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| the auditory tube that connects the middle ear to the pharynx |
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| external auditory canal (term) |
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| one of the two parts of the external ear |
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| one of the auditory ossicles (the anvil) |
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| three small bones in the middle ear: the malleus (hammer), incus (anvil) and stapes (stirrup) |
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| one of the auditory ossicles (the stirrup) |
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| conductive hearing loss (term) |
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| hearing loss caused by interference with sound transmission in the external auditory canal, middle ear, or ossicles |
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| Meniere's syndrome (term) |
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| chronic disease of the inner ear characterized by vertigo, tinnitus, and periodic hearing loss |
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| inflammation of the tympanic membrane |
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| hearing loss that occurs with aging |
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| sensorineural hearing loss (term) |
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| hearing loss caused by a neural condition |
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| hearing test using a tuning fork; tests for differences in bone conduction and air conduction |
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| hearing test using a tuning fork; distinguishes between conductive and sensorineural hearing loss |
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| surgical removal of all or part of the tympanic membrane |
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