Chapter 12: Eye
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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aque/o | water
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conjunctiv/o | conjunctiva (to join together)
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kerat/o; corne/o | cornea
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ir/o; irid/o | iris (colored circle)
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lacrim/o; dacry/o | tear
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ocul/o; ophthalm/o; opt/o | eye
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phac/o; phak/o | lens (lentil)
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-opia | condition of vision
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ophthalmologist | physician who specializes in the medical and surgical treatment of the eye
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sclera | the white of the eye
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cornea | anterior part of the eyeball that covers the iris, pupil, and refracts light
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lens | bends and focuses light rays on the retina
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retina | transmits light to the optic nerve
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asthenopia | eyestrain
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blepharospasm | uncontrolled blinking or twitching of the eyelid
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diplopia | double vision
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nystagmus | involuntary, rapid oscillating movement of the eyeball
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photophobia | extreme sensitivity to and discomfort from light
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astigmatism | defective curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina
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hyperopia | farsightedness
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myopia | nearsightedness
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aphakia | absence of the lens, usually after cataract extraction
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blepharoptosis | drooping of the eyelid usually caused by paralysis
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chalazion | chronic nodular inflammation of a meibomian gland usually the result of a blocked duct
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cataract | opaque clouding of the lens causing decreased vision
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conjunctivitis | pinkeye
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dacryoadenitis | inflammation of the lacrimal gland
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diabetic retinopathy | disease of the retina caused by capillary leakage, bleeding, and a new vessel formation leading to scarring and loss of vision
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glaucoma | disease characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision
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hordeolum | sty
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keratitis | inflammation of the cornea
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pterygium | fibrous growth of conjunctival tissue that extends onto the cornea
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distance visual acuity | test that uses 20ft as the specified distance
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fluorescein angiography | procedure that uses contrast material to visualize and photograph the retinal and choroidal vessels
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tonometer | measures intraocular pressure
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blepharoplasty | surgical repair of an eyelid
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keratoplasty | corneal transplant
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mydriatic | agent that causes the pupil to dilate
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miotic | agent that causes the pupil to contract
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enucleation | excision of the eyeball
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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