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Chapter 16

Medical Terminology - the eye

The ______ is the anterior transparent portion of the eyeball. cornea
All of the following make up the external structure of the eye except: (urea, orbit, eyelids, conductive) uvea
The ______ is the opening in the center of the iris. pupil
The color tissue attached to the ciliary body is the: iris
An involuntary, constant, rhythmic movement of the eyeball is called: nystagmus
The medical term for dullness of vision is: ambylopia
Drooping of the upper eyelids is called: blepharoptosis
An agent that causes the pupil to contract is called: mitoic
An instrument used to measure intraocular pressure is: tonometer
The medical term for night blindness is: nyctalopia
A malignant tumor of the germ cell of the retina is: retinoblastoma
Opacity of the crystalline lens is called: cataract
The medical term for farsightedness is: hyperopia
A process of removing an entire part or mass without rupture is called: enucleation
A physician who specializes in the study of the eye is: ophthalmologist
A condition of hardening of the crystalline lens is called:
An unusual intolerance of light is known as: photophobia
In the term trichiasis, the root trich means: hair
In the term trifocal, the prefix tri- means: three
In the term keratoconjunctivitis, the combining form kerat/o means: cornea
Dryness of the conjunctiva is called: xerophthalmia
An agent that causes the pupil to dilate is called: mydriatic
The middle, or vascular, layer of the eyeball is called: uvea
The medical term for normal vision is: emmetropia
The process of using ultrasound to disintegrate a cataract is known as: phacoemulsification
A surgical procedure that may be performed to correct myopia is known as: radial kertotomy
In the term mydriatic, the root mydriat means: dilation, when
In the term conjunctivitis, the root conjunctiv means: to join together
In the term cryosurgery, the combining form cry/o means: cold
Macular degeneration involves the macular area of the: retina
In the term mitotic, the root nyctal means: night
In the term phacoemulsification, the combining form phac/o means: lens
In the term retrolental, the prefix retro- means: behind
the measurement of the forward protrusion of the eye is exophthalmometry
the measurement of the cornea is called: keratometry
_____ is used to identify changes in the blood vessels in the eye and to diagnose systemic diseases ophthalmoscopy
the measurement of the intraocular pressure of the eye is: tonometry
the measurement of the acuteness or sharpness of vision is: visual acuity
how many eye muscles control movement of the eye? six
the meibomian glands secrete sebum
the anterior chamber is filled with aqueous humor
the middle layer of the eyeball is known as the uvea
the innermost layer of the eye in the retina
the small depression located in the macula lute is known as the fovea centralis
the pigment necessary for night vision is rhodopsin
the absence of rods and cones in the area of the optic disk creates blind spots
in older adults the leading cause of new cases of blindness is: macular degeneration
____ is th process of the eyes making adjustments for seeing at various distances accomodation
lazy eye is also known as amblyopia
a condition in which the pupils are unequal is termed anisocoria
the root in the term keatoconjunctivitis means join together
the agent used to cause pupils to contract is a/an miotic
a drooping of the upper eyelid is known as blepharoptosis
the colored membrane attached to the ciliary iris
the term used to describe the condition of an eye being turned inward is: esotropia
the medical term for normal or perfect vision is emmetropia
the roots in orthopedics means straight, eye
a malignant tumor arising from the germ cell of the retina is retinoblastoma
dryness of the conjunctivas is termed xerophthalmia
the suffix in blepharoptosis means drooping
surgical destruction and removal of the lens is termed phacolysis
the most common surgery to remove a cataract is phacoemulsification
conjunctivitis is often called pinkeye
Created by: KWOLF1