click below
click below
Normal Size Small Size show me how
Chapter 5
Question | Answer |
---|---|
Cornea | Transparent, outer covering of the anterior portion |
Pupil | Opening in eye thats lets in light |
Iris | Colored prt of the eye that contains muscles to regulate the pupils size |
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 |
Corne/o | Cornea |
Cycl/o | Circle, ciliary body |
dacry/o, lacrim/o | Tear |
kerat/o | Cornea |
phot/o | Light |
Presby/o | Old age |
Retin/o | Retina |
Scler/o | Hard or sclera |
Vitre/o | |
Glassy | |
-Opia (suffix) | Condition of vision |
Macula lutea | Central region of the retina Responsible for central vision |
Lacrimal gland | Gland located in the upper outer region above the eyeball that secretes tears |
Nasolacrimal duct | Passageway for tears from the lacrimal sac into the nose |
Heterotropia | A condition of eye misalignment x but intraocular muscle imbalance |
Distance visual acuity | Measure of the ability to the see the details and shape of identifiable objects from a specified distance |
Opthalmoscopy | Use of an ophthalmoscope to view the interior of the eye |
Enucleation | Excision of an eyeball |
Iridecotomy | |
Excision of a portion of iris tissue |