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Optometry Final
N/A
74
Other
Graduate
10/16/2013

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Term
Accomodation
Definition
Focus; increase in optical power by the eye in order to maintain a clear image as objects are moved closer
Term
Albinism
Definition
Lack of pigment in eyes, skin and hair. Can occur just in the eyes (ocular albinism)
Term
Amblyopia
Definition
Decreased vision in eyes without detctable health problems; commonly called lazy eye
Term
Ametropia
Definition
The condition of having a refractive error (myopia, hyperopia, astigmastism, or presbyopia)
Term
Anisocoria
Definition
Unequal pupil size
Term
Anisometropia
Definition
Unequal refractive errors in the eyes; at least 1 D difference
Term
Asthenopia
Definition
Symptom of eyestrain; may also include headache and browache
Term
Astigmastism
Definition
Refractive error where refractive power is not uniform in all directions; light rays are bent differently in one meridain versus 90 degrees away; when writtein in Rx it is also called cylinder or cyl
Term
Binocularity
Definition
The ability to use both eyes together; reulsts in depth perception/steropsis; lack of results in double vision or lack of depth perception/stereopsis
Term
Cataract
Definition
Condition where the crystalline lens becomes cloudy or partially opaque; may be congenital, due to age (senile), or taumatic; lens may have to be surgically removed if vision affected
Term
Chalazion
Definition
Chronic inflamed gland in the eyelid commonly called a stye
Term
Congenital
Definition
Describes a condiiton present since birth or shortly after
Term
Convergence Insufficiency
Definition
Condition where on has difficulty crossing eyes at near to fixate binocularly can result in double vision and eyestrain
Term
Corneal abrasion
Definition
Scraped area of corneal surface with loss of superficial cells causes pain and photophobia can be abbreviated k abrasion
Term
Corneal Laceration
Definition
Full thickness penetration of the cornea; reulsts in ruptured globe
Term
Corneal Topography
Definition
Map of the variations of curvature in the cornea
Term
Corneal Ulcer
Definition
Localized infection in anterior portion of cornea can be bacterial fungal or viral common in contact lens overwear
Term
Dibetic Retinopathy
Definition
Chcnages in the retina due to longstanding or uncontrolled DM may include hemorrhages cotton wool spots exudates and neovascularization
Term
Diagnosis Dx
Definition
The deciison reached after examination to investigate the nature and circumstances of a disease process
Term
Diapoter
Definition
unit of measure to designate refractive power of a lens
Term
Diplopia
Definition
Perception of two images from one object double vision
Term
Dry eye syndrome
Definition
corneal and conjunctival dryness due to deficient tear production
Term
Emmetropia
Definition
having no refractive error
Term
epilation
Definition
removal of hair or eyelashes
Term
Etiology
Definition
the cause of a disease or abnormal condiiton
Term
foreign body
Definition
an object that doesnt belong can be corneal conjunctival or intraocular
Term
Foreign body senstation
Definition
symptom of grittiness or feeling something in the eye can be due to a foreign body or not
Term
Fundus
Definition
Interior posterior surface of th eye ball (retina optic disc macula posterior pole
Term
Glaucoma
Definition
group of disease characterized by damage to the optic nerve and reintal nerve fibers resulting in loss of peripheral vision treated with topical meds oral meds laser or surgery
Term
Hemorrhage
Definition
Bleeding may be seen in retina conjunctive anterior chamber choroid
Term
Hordeolum
Definition
Acute inflamed gland in the eyes also called a stye when chroic called chalazion
Term
Hyperopia
Definition
Refractive error where the eye in underpowered
Term
Idiopathic
Definition
Having an unknown cause
Term
Intraocular Pressure
Definition
Fluid pressure inside the eye measured with tonometry
Term
-itis
Definition
Inflammation of a structure
Term
Kertato-
Definition
prefix indicating relating to the corena
Term
Legal Blindess
Definition
Best-corrected visual acuity of 20/200 or worse in the better seeing eye
Term
Lenticular
Definition
Pertaining to the crystalline lens
Term
Leukocoria
Definition
Any condition that results in a white pupil cataract or retinoblastoma
Term
Manifest Refraction
Definition
Test to determine the refractive prescription of an eye
Term
Morbidity
Definition
Disease
Term
Mortality
Definition
Death
Term
Myopia
Definition
Refractive error where the eye is overpowered
Term
Neovascularitzation
Definition
pathologic abnormal formation of new blood vessels can occur on retina choroid cornea iris optic disc or anterior chamber
Term
Nystagmus
Definition
Small repetitive involuntarty rhythmic side to side or up and down movements of the eyes "shaking" of the eyes
Term
Ocular Hypertension
Definition
Condition where the pt has elevated IOP but no glaucoma
Term
OD
Definition
Right eye
Term
OS
Definition
left eye
Term
OU
Definition
both eyes
Term
Opthalmology
Definition
Medical specialty dealing with the eye
Term
Optic Nerve Head/ Optic Disc
Definition
portion of the optic nerve visible upon fundus examination
Term
Optical Coherence Tomography (OCT)
Definition
imaging instrument used to create ocular ultrasounds giving cross-sectional views of the eye and measurements of tissue thickness, used to evaluate glaucoma
Term
Papilledema
Definition
Sweeling of optic discs due to increased intracranial pressure
Term
Papillo-
Definition
Prefix indicating relating to optic disc
Term
Pathologic
Definition
Caused by a disease or abnormal function
Term
-phakia
Definition
suffix relating to crystalline lens
Term
Phthisis bulbi
Definition
diseased or damaged eyeball that has lost function and shrunk
Term
Physiologic
Definition
normal condition of function opposite of pathologic
Term
Posterior Vitreous Detachment (PVD)
Definition
separation of the vitreous gel from the retinal surface causes floaters in vision
Term
Presbyopia
Definition
Refractive condition in which there is a diminished focusing ability due to age
Term
Prognosis
Definition
Prediciton of the probable course and outcome of a disease
Term
Prophylaxis
Definition
Prevention preventative
Term
Ptosis
Definition
Drooping of upper eyelid
Term
Refractive Surgeries
Definition
Various procedures that alter the shape of the cornea or insert an artificial lens into the eye to change the eyes refractive power
Term
Retinal Detachment
Definition
Separation of the sensory reints from its underlying structures
Term
Retinitis Pigmentosa
Definition
Group of diseases characterized by the progressive retinal degeneration of both eyes night blindess with loss of peripheral vision initaially
Term
Strabismus/Tropia/EyeTurn
Definition
eye misalignment caused by extraocular musle imbalance
Term
Superficial Punctate Keratopathy
Definition
Corneal condition consisting of multiple pinpoint epithlial defects non-specific sign indicating corneal problems
Term
Tear Breakup Time (TBUT)
Definition
Test for tear function. Dye (sodium fluorescein) is instiled in the eye and the time interval in seconds until the dye breaks up is measure indicating the viability of the tear film
Term
Tear Film
Definition
Liquid that coasts the cornea and conjunctiva
Term
Trichiasis
Definition
Misdirected eyelash that turns inwards towards the eyeball
Term
Uveitis
Definition
Inflammation of any of the structures in the uva; iris ciliary body, or choroid
Term
Visual Acuity
Definition
measurment of the eye's ability to distinguish object details and shape
Term
Visual Field
Definition
Full extent of the area visible to an eye that is fixating straight ahead measure in desgress from fixation peripheral vision a test done to evaluate the function oft eh optic nerve and reinta commonly done to evaluate glaucome
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