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CNHP 2010 Chapter 5

The Eye

TermDefinition
cornea transparent, outer covering of the anterior portion
pupil opening in eye that lets in light
iris colored part of 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 light waves
nerve fibers from the rods and cones join in the optic disc from which optic nerve carries tranmissions to brain
aque/o water
blephar/o eyelid
conjunctiv/o conjunctiva (to bind together)
corne/o cornea
cycl/o circle, ciliary body
dacry/o tear
lacrim/o tear
ir/o colored circle, iris
irid/o colored circle, iris
kerat/o cornea
ocul/o eye
opthalam/o eye
opt/o eye
phac/o lens (lentil)
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
Created by: jtran460
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