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ST230 > Exam: #7 > Flashcards

Exam: #7 Flashcards

0
Q

What is a cataract?

A

opacity of the crystalline lens

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1
Q

What is a diathermy?

A

uses heat to coagulate or destroy tissue

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2
Q

What is the procedure for establishing a new pathway for tear drainage?

A

dacryocystorhinostomy

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3
Q

What piece of equipment is used for a vitrectomy?

A

ocutome

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4
Q

What is globe?

A

entire eyeball

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5
Q

What is enucleation?

A

complete removal of the eye

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6
Q

What is another name for the fifth cranial nerve?

A

trigeminal

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7
Q

What is used intra-op to irrigate the cornea?

A

ballanced salt solution

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8
Q

What is enucleation?

A

Removal of the globe

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9
Q

What is the function of the inferior oblique muscle?

A

rotates the eye upward and away from the midline

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10
Q

What is the aqueous humor?

A

fluid found in the posterior of the eye

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11
Q

What is color blindness caused by?

A

complete lack of cones

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12
Q

What is chalazion?

A

swollen sebaceous gland in the eyelid

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13
Q

What drugs cause pupil dilation?

A

mydriatics & cyclopelegic drugs

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14
Q

What remains during extracapsular cataract extraction?

A

posterior capsule

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15
Q

What does OD mean?

A

Right eye

16
Q

What is the tonometer?

A

measure intraoccular ppressure within the sterile field

17
Q

What is trephine?

A

instrument used to make a circular cut

18
Q

What drug class is Decadron?

A

steroid

19
Q

What is a trephine?

A

cutting instrument used to cut a circular piece of tissue

20
Q

Why should powder be removed from gloves before ophthalmic surgery?

A

prevent corneal irritation

21
Q

What is phacoemulsification?

A

one method of removing an opaque lens

22
Q

What is diathermy?

A

used to coagulate tissue

23
Q

What scissors are used in strabismus and conjunctiva operations?

A

westcott

24
Q

What is the sclera?

A

the outer most tunic of the globe

25
Q

What is the surgical treatment for strabismus?

A

recession and resection

26
Q

What sponges are used in ophthalmic surgery?

A

weck

27
Q

What is used following enucleation to provide a base of support for the artificial eye?

A

hydroxyapatite

28
Q

What is the strabismus?

A

deviation of the position of the eye

29
Q

What is iridotomy?

A

incision into the iris

30
Q

Where does the nasolacrimal duct drain?

A

into the inferior meatus of the nose

31
Q

What kind of drug is betamethasone?

A

antiinflammatory

32
Q

What is kerato-?

A

cornea

33
Q

What is a small lump on the inner or outer surface of the eyelid caused by an inflammatory reaction to material trapped inside an oil-secreting gland?

A

chalazion

34
Q

What does the scleral buckle treat?

A

when the retina detaches

ST230 (8 decks)

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