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Chapter 5
The eye
| Term | Definition |
|---|---|
| Cornea | transparent, outer covering of the anterior portion |
| pupil | opening in eye that lets in light |
| iris | colored part of the eye that contains muscles to regulate the pupil’s size |
| sclera | white, tough, fibrous outer layer, extends from cornea to optic nerve |
| Choroid | pigmented vascular layer between sclera and retina |
| Conjunctiva | mucous membrane lining the eyelids and outer eye surface |
| Lens | transparent structure posterior to the pupil that bends light rays on the retina to aid in focusing |
| Retina | nerve tissue in the inner posterior part of eye |
| Rods and cones | visual receptors (neurons) in retina that respond to the light waves |
| Nerve fibers | from the rods and cones join in the optic disc from which optic nerve carries transmissions to brain |
| aque/o | water |
| blephar/o | eyelid |
| conjunctiv/o | conjunctiva (to bind together) |
| corne/o | cornea |
| cycl/o | circle, ciliary body |
| dacry/o, lacrim/o | tear |
| ir/o, irid/o | colored circle, iris |
| kerat/o | cornea |
| ocul/o, ophthalm/o, opt/o | eye |
| phac/o, phak/o | lens (lentil) |
| phot/o | light |
| presby/o | old age |
| retin/o | retina |
| scler/o | hard or sclera |
| vitre/o | glassy |
| -opia | condition of vision |
| gt | drop |
| gtt | drops |
| IOL | intraocular lens |
| LASIK | laser-assisted in situ keratomileusis |
Created by:
maariiaa
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