Exam: #7 Flashcards
What is a cataract?
opacity of the crystalline lens
What is a diathermy?
uses heat to coagulate or destroy tissue
What is the procedure for establishing a new pathway for tear drainage?
dacryocystorhinostomy
What piece of equipment is used for a vitrectomy?
ocutome
What is globe?
entire eyeball
What is enucleation?
complete removal of the eye
What is another name for the fifth cranial nerve?
trigeminal
What is used intra-op to irrigate the cornea?
ballanced salt solution
What is enucleation?
Removal of the globe
What is the function of the inferior oblique muscle?
rotates the eye upward and away from the midline
What is the aqueous humor?
fluid found in the posterior of the eye
What is color blindness caused by?
complete lack of cones
What is chalazion?
swollen sebaceous gland in the eyelid
What drugs cause pupil dilation?
mydriatics & cyclopelegic drugs
What remains during extracapsular cataract extraction?
posterior capsule
What does OD mean?
Right eye
What is the tonometer?
measure intraoccular ppressure within the sterile field
What is trephine?
instrument used to make a circular cut
What drug class is Decadron?
steroid
What is a trephine?
cutting instrument used to cut a circular piece of tissue
Why should powder be removed from gloves before ophthalmic surgery?
prevent corneal irritation
What is phacoemulsification?
one method of removing an opaque lens
What is diathermy?
used to coagulate tissue
What scissors are used in strabismus and conjunctiva operations?
westcott
