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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 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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