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Chabner Chapter 17

Study Guide for Quiz

QuestionAnswer
What eye structure is transparent, biconvex, and focuses light on the retina Lens
Adjustment of the lens by the ciliary body Accommodation
The combining form for cornea is Kerat/o
Astigmatism Defective curvature of the cornea or lens
Glaucoma is primarily diagnosed by Tonometry
A blind spot; area of depressed vision surrounded by an area of normal vision Scotoma
Small hard mass on the eyelid; formed by a sevaceous gland enlargement Chalazion
Bacterial infection of the middle ear Suppurative otitis media
Visual examination of the ear otoscopy
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 to bring them into focus on the retina 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
vascular layer of the eyeball that is continuous with the iris choroid
delicate membrane lining the eyelids anc covering 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
region at the back of the eye where the retina meets the optic nerve optic disc
a yellowish region on the retina lateral to the optic disc macula
Bending of light rays by the conea, lens, and fluids in the eye refraction
Inflammation of the cornea keratoconjunctivitus
Surgical repair of the eardrum tympanoplasty
Created by: 1140386364
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