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Chabner Chapter 17T

Study Guide for Test

Fibrous layer of clear tissue that extends over the anterior portion of the eye and is continous with the white of they eye cornea
yellowish region in the retina; contains the fovea centralis Macula lutea
Place where optic nerve fibers cross in the brain optic chiasma
adjustment of the lens by the ciliary body accommodation
photosensitive receptor cells of the retina; make the perception of color possible rods
the combining form for cornea is kerat/o
the combining form for the ciliary body is Cycl/o
The meaning of palpebr/o eyelid
an eye inflammation commonly called "pink eye" conjunctivitis
impairment of vision due to old age presbyopia
myopia nearsightedness
astigmatism defective curvature of the cornea or lens
glaucoma is primarily diagnosed by tonometry
macular degeneration produces loss of central vision
small hard mass on the eyelid; formed by a sebaceous gland enlargement chalazion
snail shaped, spirally wound tube in the inner ear cochlea
channel between the middle ear and teh nasopharynx eustachian tube
myring/o means tympanic membrane
bacterial infection of the middle ear suppurative otitis meda
tinnitus ringing sound in the ear
visural examination of the ear otoscopy
nerve deafness occurring with aging presbycusis
fungal infection of the ear otomycosis
contains sensitive cells (rods and cones) that transmit light energy to nervous impulses retina
contains muscles that control the shape of the lens and secrete aqueous humor ciliary body
transparent body behind the iris in front of the vitreous humor; refracts light rays lens
jelly-like material behind the lens; helps maintain the shape of the eyeball vitreous humor
dark center of the eye through which light rays enter pupil
cascular layer of the eyeball that is continuous with the iris choroid
delicate membrane lining the eyelids and convering the anterior eyeball conjunctiva
fibrous layer of clear tissue that extends over the anterior portion of the eyeball cornea
colored portion of the eye; surrounds the pupil iris
tough, white outer coat of the eyeball sclera
the normal adjustment of the lens to bring an object into focus accomodation
a yellowish region on the retina lateral to the optic disc macula
photosensitive receptor cells in the retina that make color perception possible cone
inflammation of the vascular layer of the eye uveitis
condition of dry eyes xerophthalmia
outward deviation of the eye exotrophia
inward deviation of the eye esotrophia
absence of the lens of the eye aphakia
absence of vision in half of the vision field hemianopsia
abnormal deviations of the eye strabimus
increased intraocular pressure results in retinal and optic nerve damage glaucoma
localized purulent infection of a sebaceous gland in the eyelid hordcolum
clouding of the lens causes decreased vision cataract
retinal microaneurysms, hemorrhages can occur secondary to an endocrine condition diabetic retinopathy
deterion of the macula lutea of the retina macular degeneration
inflammation of conjunctiva conjunctivitis
inflammation of the middle ear otitis media
area behind the cornea and in front of the lens and iris anterior chamber
Created by: 1140386364