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Surgical Procedures 1 > Ophthalmic Procedures SP1 > Flashcards

Ophthalmic Procedures SP1 Flashcards

(43 cards)

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1
Q

chalazion excision: pathophysiology

A

removal of chalazion resulting from obstructed meibomian gland, presenting as lump or cystic mass

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2
Q

chalazion excision: incision

A

vertical transconjuctival incision

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3
Q

chalazion excision: instrumentation (2)

A
  • chalazion clamp (desmarres; hunt): inverts eyelid to provide base to work on
  • chalazion curettes (meyhoeffer)
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4
Q

DCR (dacryocystorhinostomoy): definition

A

reconstructive procedure creating new tear drainage pathway

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5
Q

DCR (dacryocystorhinostomoy): pathophysiology (3)

A
  • dacryocystitis: inflammation/infection of the lacrimal sacs mucosa
  • dacryostenosis: abnormal narrowing of the lacrimal sac
  • dacryolithiasis: formation of calculi in the lacrimal sac
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6
Q

DCR (dacryocystorhinostomoy): medications (2)

A
  • topical thrombin (hemostasis)

- cocaine or tetracaine w/ epinephrine (anesthetic)

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7
Q

DCR (dacryocystorhinostomoy): catheters/drains

A
  • 10 Fr Robinson catheter (infant feeding tube or silastic lacrimal duct intubation set
  • catheter inserted through canaliculi over posterior flaps into nasal cavity
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8
Q

DCR (dacryocystorhinostomoy): instrumentation

A

-self retaining spring retractor

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9
Q

DCR (dacryocystorhinostomoy): dressing/wound classification (2)

A
  • wound class 2*

- mustache dressing

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10
Q

entropion/ectropion repair: definition

A

oculoplastic procedure which aims to correct inverted or everted sagging eyelid margin by excising tissue and tightening the lax lid

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11
Q

entropion/ectropion repair: pathophysiology & wound classification

A
  • wound class 1*
  • entropion: inversion of eyelid
  • ectropion: eversion of eyelid
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12
Q

Enucleation: definition

A

removal of entire globe (eyeball), leaving extraoccular muscles and remaining orbital contents

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13
Q

Enucleation: EVISCERATION

A

more conservative alternative to enucleation

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14
Q

Enucleation: EXENTERATION

A

removal of entirety of orbital contents including, globe, muscles periorbital fat, periosteum, en bloc resection, for treatment of ocular and orbital malignancies

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15
Q

Enucleation: incision

A

circumferential peritomy made along limbus, carried through bulbar conjunctiva & tenons capsule

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16
Q

extracapsular cataract extraction (ECCE): defintion

A

removal of opacified (cloudy) lens LEAVING POSTERIOR LENS CAPSULE IN TACT

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17
Q

INTRACAPSULAR cataract extraction (ICCE): definition

A

removal of opacified lens and the entire intact lens capsule using Alpha-Chymotrypsin to dissolve zonules of zen

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18
Q

PHACOEMULSIFICATION (PEK):

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A

most common means of cataract removal
variation of ECCE, contents of lens capsule fragmented and simultaneously irrigated/aspirated using phacoemulsifier headpiece

19
Q

extracapsular cataract extraction (ECCE): 3 postoperative means of visual correction

Study These Flashcards
A
  • aphakic glasses
  • aphakik contact lenses
  • implantation of IOL, intraocular lens, most common means
20
Q

extracapsular cataract extraction (ECCE): pathophysiology

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A

cataract: opacity of crystalline lens preventing clear image on retina

21
Q

extracapsular cataract extraction (ECCE): anesthesia (2)

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A
  • topical anesthetic with RETRO/PERIbulbar regional block most commonly used
  • HONAN IOP-REDUCING cuff applied to increase diffusion of anesthetic and reduce IOP
22
Q

extracapsular cataract extraction (ECCE): instrumentation used for 3mm incision (3)

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A

keratome:

  • 69 beaver blade
  • 30 degree super blade
  • diamond knife
23
Q

extracapsular cataract extraction (ECCE): procedural step for posterior lens insertion

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A

inserted through anterior chamber and placed in capsular bag

24
Q

extracapsular cataract extraction (ECCE): complications/wound classification

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A
  • wound class 1*

- corneal abrasion

25
iridectomy: definition
*treats glaucoma* removal or portion of iris tissue in attempt to improve aqueous outflow of posterior to anterior chambers relieving pupillary block and reestablishing aqueous drainage
26
iridectomy: other procedures for treating glaucoma
- trabeculectomy | - goniotomy
27
iridectomy: pathophysiology
glaucoma: group of diseases characterized by increase in intraoccqular pressure resulting in damage to retinal neurons and optic nerve - attributed to excessive aqueous accumulation within the anterior cavity
28
keratoplasty: definition
- replacement of scarred or diseased cornea with clear corneal tissue from deceased donor - aka corneal transplantation/corneal grafting
29
keratoplasty: penetrating keratoplasty
entails replacement of full thickness of cornea
30
keratoplasty: radial keratotomy
*means of correcting myopia* | series of spoke-like, partial thickness radial incisions, in order to allow central cornea to flatten.
31
keratoplasty: instrumentation
TREPHINE used to make circular incisions
32
keratoplasty: pathophysiology
KERATOCONUS: thinning & cone shaped protrusion of central cornea HERPETIC KERATITIS: herpes simplex eye infection CORNEAL SCARRING
33
scleral buckling: definition
procedure used to treat detached retina by wrapping and cinching globe with silastic band in an attempt to drain/reattache retina
34
scleral buckling: cryoretinopexy
use of CRYOTHERMY probe to seal a retinal tear and tack down retina by creating series of cold burns working as spot welds
35
strabismus correction: resection
used to STRENGTHEN weak extra ocular muscle | *tuck procedure*
36
strabismus correction: recession
used to WEAKEN overactive extraocular muscle * myectomy procedure* * myotomy procedure*
37
strabismus correction: exotropia
one eye deviates laterally "wall eye"
38
strabismus correction: esotropia
one eye deviates medially
39
strabismus correction: instrumentation
jameson muscle hook is used to isolate lateral rectus ensuring muscle is free of the sclera
40
vitrectomy: definition
partial or total removal of vitreous body along with vitrea; opacities
41
vitrectomy: posterior vitrectomy
performed through micro incisions through posterior cavity
42
vitrectomy: anterior vitrectomy
performed through micro incisions of posterior cavity or through paracentesis incisions in peripheral cornea of the anterior cavity
43
vitrectomy: instrumentation
endoilluminator fiberoptic light source

Surgical Procedures 1 (12 decks)

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