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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 |