MT Chapter 5
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| What are the two chambers of the eye? | the anterior chamber and posterior chamber
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| The anterior chamber contains the | aqueous humor
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| The posterior chamber contains the gelatinous fluid called the | vitreous humor
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| Light enters the eye through the | pupil
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| aque/o | water
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| blephar/o | eyelid
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| cycl/o | circle, ciliary body
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| acry/o | tear
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| kerat/o | cornea
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| corne/o | cornea
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| phot/o | light
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| retin/o | retina
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| vitre/o | glassy
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| choroid | vascular layer beneath the sclera that provides nourishment to the outer portion of the retina
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| ciliary muscle | smooth muscle portion of the ciliary body, which contracts to assist in near vision
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| palpebra | movable, protective fold that opens and closes, covering the eye; which is also called eyelid
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| lacrimal ducts | tubes that carry tears to the lacrimal sac
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| lens | transparent structure behind the pupil that bends and focuses light rays on the retina
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| cones | cone-shaped cells within the retina that are color sensitive and respond to bright light
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| sclera | tough, fibrous, white outer coat extending from the
cornea to the optic nerve
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| vitreous | jelly-like mass filling the inner chamber between the lens and retina that gives bulk to the eye
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| diplopia | double vision
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| lacrimation | secretion of tears
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| scotoma | blind spot in vision
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| myopia | nearsightedness; difficulty seeing distant objects
when light rays are focused on a point in front of the retina
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| presbyopia | impaired vision caused by old age or loss of accommodation
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| accommodation | ability of the eye to adjust focus on near objects
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| blepharitis | inflammation of the eyelid
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| dacryoadenitis | inflammation of the lacrimal gland
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| dacryocystitis | inflammation of the lacrimal sac
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| conjunctivitis | inflammation of the conjunctiva; which is also called pinkeye
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| entropion | inward turning of the rim of the eyelid
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| glaucoma | group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision
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| retinal detachment | separation of the retina from the underlying epithelium, disrupting vision and resulting in blindness if not repaired surgically
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| scleritis | inflammation of the sclera
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| tonometry | use of a tonometer to measure intraocular pressure, which is elevated in glaucoma
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| ophthalmoscopy | use of an ophthalmoscope to view the interior of the eye
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| enucleation | excision of an eyeball
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| iridectomy | excision of a portion of iris tissue
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| cycloplegic | agent that paralyzes the ciliary muscle and the powers of accommodation; commonly used in pediatric eye examinations
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| gt | drop
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| IOL | intraocular lens
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| LASIK | laser-assisted in situ keratomileusis
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