academicrockclimber-
Which retinal structure allows for perception of general shapes and shades of gray in dim light?rods
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What kind of anesthetic block is used for a vitrectomy procedure?retrobulbar
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Perfluoropropane and sulfur hexafluoride are used to:keep pressure on the retina
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Which of the following is a pharmacologic agent that constricts the pupil of the eye?acetylcholine
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A trephine is used in which ophthalmologic procedure?keratoplasty
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Which sterile irrigation fluid is used for ophthalmic procedures?BSS
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The normal condition of the lens of the eye is:transparent and biconvex
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What is another name for the traction sutures used to manipulate the globe of the eye?bridle
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Which of the following represents the replacement device for the cataract lens in the eye?IOL
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Where is the lacrimal gland located?upper lid, outer angle of the orbit
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Into which structures do the lacrimal ducts drain tears?nasal cavity
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Which procedure done on an eye with internal malfunction or loss of contents and no possible recovery of sight provides better mobility and cosmetic result with a prosthetic eye?evisceration
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Which procedure surgically treats glaucoma?iridectomy
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What is the portion of the eye between the cornea and the iris in which aqueous fluid flows and nourishes tissues?anterior chamber
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What is another name for a cystic structure caused by an inflammatory response to material trapped in a meibomian gland?chalazion
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Which of the following is an inward turning of the eyelid with resulting corneal irritation?entropian
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Which instrument is used to remove the cataract lens in preparation for intraocular lens placement?phacoemulsification hand piece
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Which of the following is the name of locking or nonlocking needle holders frequently used in ophthalmology?Castroviejo
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Which of the following scissors would NOT be used for ophthalmologic procedures?Jorgenson
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What passes through the canal of Schlemm?aqueous humor
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Misalignment or deviation from coordinated movement of the eyes is:strabismus
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If looking at the right eye of a patient and assigning clock positions of 12, 3, 6, and 9 o’clock to the rectus eye muscles, which of the following would be CORRECT?12 = superior; 3 = medial; 6 = inferior; 9 = lateral
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Which of the following is the term for “crossed eyes”?estropia
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Which structure of the eye is colored and its muscles constrict or relax to control the amount of light entering the pupil?iris
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How many tunics comprise the structure of the globe of the eye?three
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Which two structures form the external tunic of the globe of the eye?cornea and sclera
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Which procedure involves adjusting sutures after the patient has recovered completely from anesthesia, but within 24 hours?recession/resection
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Which structure of the eye is the thin, transparent lining of the inner surface of the eyelid and covers the sclera?conjunctiva
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Which of the following is NOT used for visualization in ophthalmologic procedures?colposcope
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Which of the following names represents an eye speculum that resembles an uncoiled metal paper clip?Barraquer
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All of the following are methods of intraocular lens insertion EXCEPT:fan-folded through small incision
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How would a definitive diagnosis of detached retina be obtained if hemorrhage is present in the eye?surgical vitrectomy
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What is the name of the gelatin-like fluid that fills the posterior cavity of the eye?vitreous humor
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For which surgical procedure would an Fragmatome be used?vitrectomy
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Which substance is used following vitrectomy for long-term support of the retina with fewer restrictions on position?silicone oil
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What is the name of the membrane that contains and encloses the vitreous humor in the posterior cavity?hyaloid
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Where would a Veirs rod be placed to relieve or prevent obstruction?canaliculus
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What is the condition of the lens that is treated by cataract extraction?opacified
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In which of the following procedures would sutures most likely NOT be necessary?extracapsular cataract extraction
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What is the name of the opening created in the outer tunic for insertion of the infusion cannula for excision of vitreous?sclerotomy
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What is the name of the structure that is a small depression containing only cones and has the highest visual acuity?central fovea
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Tetracaine drops are used in opthomologic procedures to:numb the surface of the eye and surrounding structures
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Which of the following techniques uses a laser to treat retinal tears or proliferative diabetic retinopathy?endophotocoagulation
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Which procedure may be done in conjunction with vitrectomy if the surgeon is unable to gain visualization of the posterior cavity of the eye?lensectomy
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What is the term for the six muscles that provide movement of the eye?extrinsic
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Which of the following is an intraocular procedure?vitrectomy
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What structure is avascular, external, and its function is to refract light rays?cornea
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Which structure has four layers: epithelial cells, substantia propria, elastic lamina, and endothelial cells?cornea
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Which type of needle is frequently used in ophthalmologic procedures?spatula
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Cryotherapy uses which of the following to seal retinal tears and holes?cold
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Overhead OR spotlights should be placed on highest setting to provide necessary illumination during intraocular procedures.False
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Donor corneas must be screened for HIV, HBV, and CJD prior to transplant.True
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The surgical technologist must develop the ability to transfer very small, delicate instruments into the surgeon’s hand in a functional manner so that he or she does not have to look away from the microscope.True
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Cataracts are categorized as a general condition of aging rather than a disease process.True
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Gas injected into the posterior cavity of the eye following vitrectomy is more stable and requires fewer restrictions of a patient with regard to positioning and altitude than silicone oil.False
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Type of drape with a rounded fenestration and adhesive backing; used when procedure involves the globe of the eyeAperture
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Type of drape sheet with “U” configuration and adhesive edged “legs”; used for procedures requiring broader access to extraocular areasSplit
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Thick connective tissue structure that provides integrity to the shape of the eyelid: may be repositioned in entropian repairTarsal plate
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Angular junction of the eyelids at either corner of the eyeCanthus
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Porous, circumferential band of tiny canals through which the aqueous humor drainsTrabecular meshwork
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Name of line of miniscalpel blades used in ophthalmology and ENTBeaver
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Visual defect in which one object is seen in duplicate; treated with adjustable suture technique of strabismus correctionDiplopia
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Variable-rate, reciprocating, and cutting-tip hand piece attached to suctionVitrector
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Unit of measurement of the optical power of a magnifying lensDiopter
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Hereditary, progressive, noninflammatory disease of the anterior surface of the eye; diagnostic indication for keratoplastyCorneal dystrophy
