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Chapter 5 CNHP 2010

Flash Cards

TermDefinition
blephar/o eyelids
corne/o, kerat/o cornea
ir/o, irid/o iris
lacrim/o tear
presby/o old age
ocul/o, ophthalm/o, opt/o eye
-opia vision condition
aqueous humor clear liquid filling in the front of the eye between lens and cornea.
choroid pigmented vascular layer beneath the sclera that provides nourishment to the outer portion of the retina
Cornea see through outer part of the eye
Zeis glands oil glands opening into the eyelashes
tarsal glands, meibomian glands oil glands located along the rim of the eyelids
macula lutea yellow pigment that provides color located in the central region of the retina. controls central vision
Sclera white outer coat extending from the cornea to the optic nerve that is fibrous and tough
vitreous jelly-like mass filling in between the lens and retina that gives bulk to the eye
Rods rod-shaped cells within the retina that react to dim light
Cones cone-shaped cells within the retina that are color sensitive and react to bright light
retina innermost layer that perceives and transmits light to the optic nerve
asthenopia eyestrain
diplopia double vision
scotoma blind spot
miotic this causes the pupil to contract
eye instillation giving eye drops to affected eyes
eye irrigation cleaning the eye with water/ other solutions
blepharoplasty surgical repair of eyelid
cryoretinopexy use of intense cold to seal a hole or tear in the retina. treatment for retinal detachment
dacryocystectomy excision of a lacrimal sac
refractive errors improper focus on the retina due to defects in the bending of light as it enters the eye
hyperopia farsightedness;
myopia nearsightedness
Created by: Ndali
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