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Meda 102
Chapter 12: Eye
| Term | Definition |
|---|---|
| aque/o | water |
| conjunctiv/o | conjunctiva (to join together) |
| kerat/o; corne/o | cornea |
| ir/o; irid/o | iris (colored circle) |
| lacrim/o; dacry/o | tear |
| ocul/o; ophthalm/o; opt/o | eye |
| phac/o; phak/o | lens (lentil) |
| -opia | condition of vision |
| ophthalmologist | physician who specializes in the medical and surgical treatment of the eye |
| sclera | the white of the eye |
| cornea | anterior part of the eyeball that covers the iris, pupil, and refracts light |
| lens | bends and focuses light rays on the retina |
| retina | transmits light to the optic nerve |
| asthenopia | eyestrain |
| blepharospasm | uncontrolled blinking or twitching of the eyelid |
| diplopia | double vision |
| nystagmus | involuntary, rapid oscillating movement of the eyeball |
| photophobia | extreme sensitivity to and discomfort from light |
| astigmatism | defective curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina |
| hyperopia | farsightedness |
| myopia | nearsightedness |
| aphakia | absence of the lens, usually after cataract extraction |
| blepharoptosis | drooping of the eyelid usually caused by paralysis |
| chalazion | chronic nodular inflammation of a meibomian gland usually the result of a blocked duct |
| cataract | opaque clouding of the lens causing decreased vision |
| conjunctivitis | pinkeye |
| dacryoadenitis | inflammation of the lacrimal gland |
| diabetic retinopathy | disease of the retina caused by capillary leakage, bleeding, and a new vessel formation leading to scarring and loss of vision |
| glaucoma | disease characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision |
| hordeolum | sty |
| keratitis | inflammation of the cornea |
| pterygium | fibrous growth of conjunctival tissue that extends onto the cornea |
| distance visual acuity | test that uses 20ft as the specified distance |
| fluorescein angiography | procedure that uses contrast material to visualize and photograph the retinal and choroidal vessels |
| tonometer | measures intraocular pressure |
| blepharoplasty | surgical repair of an eyelid |
| keratoplasty | corneal transplant |
| mydriatic | agent that causes the pupil to dilate |
| miotic | agent that causes the pupil to contract |
| enucleation | excision of the eyeball |
Created by:
meda_vsoladey
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