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Chapter 12 Eye
The Chapter All About The Eye
| Term | Definition |
|---|---|
| sclera | outer protective layer of the eye |
| cornea | transparent anterior part of the sclera |
| choroid | middle layer of the eye, which is interlaced with many blood vessels |
| iris | the pigmented muscular structure that regulates the amount of light entering the eye |
| pupil | opening in the center of the iris |
| lens | lies directly behind the pupil |
| retina | innermost layer of the eye |
| aqueous humor | watery liquid found in the anterior cavity of the eye |
| vitreous humor | jelly like substance found behind the lens in the posterior cavity of the eye that maintains its shape |
| meibomian glands | oil glands found in the upper and lower edges of the eyelids that help lubricate the eye |
| lacrimal glands and ducts | produce and drain tears |
| optic nerve | carries visual impulses from the retina to the brain |
| conjunctiva | mucous membrane lining the eyelids and covering the anterior portion of the sclera |
| blephar/o | eyelid |
| conjuctiv/o | conjusctiva |
| cor/o, core/o, pupill/o | pupil |
| corne/o, kerat/o | cornea |
| dacry/o, lacrim/o | tear, tear duct |
| ir/o, irid/o | iris |
| ocul/o, ophthalm/o | eye |
| opt/o | vision |
| phac/o, phak/o | lens |
| retin/o | retina |
| scler/o | sclera |
| cry/o | cold |
| dipl/o | two, double |
| is/o | equal |
| phot/o | light |
| ton/o | tension, pressure |
| bi-, bin- | two |
| -opia | vision (condition) |
| -phobia | abnormal fear |
| -plegia | paralysis |
| aphakia | condition of without a lens |
| blepharitis | inflammation of the eyelid |
| blepharoptosis | drooping of the eyelid |
| conjuctivitis | inflammation of the conjuctiva |
| dacryocysitis | inflammation of the tear sac |
| diplopia | double vision |