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Chapter 5 Review
The Eye
| Term | Definition |
|---|---|
| Anterior chamber | Contains aqueous humor (water fluid) |
| Posterior chamber | Contains vitreous humor (gelatinous fluid) |
| 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 |
| cycl/o | Circle, ciliary body |
| blephar/o | Eyelid |
| conjunctiv/o | Conjunctiva (to bind together) |
| kerat/o | Cornea |
| phot/o | Light |
| phac/o, phak/o | Lens (lentil) |
| ocul/o, ophthalm/o, opt/o | Eye |
| ir/o, irid/o | Colored circle, iris |
| gtt | Drops |
| LASIK | Laser-assisted in situ keratomileusis |
| vitre/o | Glassy |
| presby/o | Old age |
| scler/o | Hard or sclera |
| -opia (suffix) | Condition of vision |
| IOL | Intraocular lens |
| gt | Drop |
| dacry/o, lacrim/o | Tear |