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Module 11 & 12 Surgical Techniques > Surgical Teqniques > Flashcards

Surgical Teqniques Flashcards

1
Q

What minimum magnification is needed for corneal/ conjunctival/ intraocular surgery?

A

5x

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2
Q

What is the ideal suture material and needle should be used for the cornea?

A

8.0 vicryl (polyglactin)

Spatula needle

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3
Q

Which type of needles should not be used for the cornea?

A

Cutting/ reverse cutting

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4
Q

Which needle should be used for the skin?

A

Cutting/ reverse cutting

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5
Q

Which needle should be used for the conjunctiva?

A

Taper point

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6
Q

What blade is used to cut the cornea?

A

Beaver blade

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7
Q

What is used for superficial keratectomy?

A

Restriction depth knives and lamellar knives

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8
Q

What should you use to clean the eye if it is perforated?

A

Sterile saline

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9
Q

Which breed of cat gets an anatomical entropion?

Which eyelid and where is affected?

A

Persians

Medial lower lid

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10
Q

What procedure is best to correct atonic trichiasis?

A
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11
Q

With the Stades procedure how much skin do you remove?

How much is left to heal by secondary intention?

A

20mm

5mm

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12
Q

How is a cicatricial ectropion repaired?

A

Y-to-V plasty (allows dissection of the underlying scar tissue)

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13
Q

What technique is this?

A

Lid shortening and canthal tie down

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14
Q

What technique is this?

A

Khunt-Szymanowski

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15
Q

What technique is this?

A

Wymans lateral canthoplasty

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16
Q

What technique is this?

What is it used for?

A

V to Y plasty

Cicatrical ectropion

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17
Q

What does lagophthalmos mean?

A

Poor blink

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18
Q

What is the treatment for macropalpebral fissure?

A

Lateral/ medial canthoplasty

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19
Q

If the lower canaliculus is involved in eyelid surgery what should be done?

A

Cannulated and sent left for approx 6weeks

20
Q

What are the potential complications of using haired skin on the eyelid margin (2)?

A

Hair going in to the eye

Contracture of the lid post surgery causing a notched defect and exposure keratopathy

21
Q

What technique is this?

What is it used for?

A

Mustarde technique

When 1/3-2/3 eyelid removed

22
Q

When is a lip to lid procedure used?

A

> 2/3 lower eyelid removed

23
Q

What depth should corneal sutures be placed?

A

2/3

24
Q

What are cyanacrylate adhesives used for?

When should it not be used?

What is important to use before applying this?

A

Glue to seal small corneal defects

Infected ulceration
Perforations

Cornea needs to be completely dry (canned air)

25
Q

What drop can be used post a conjunctival graft to minimise scarring?

When should this be done?

A

Corticosteroid

Well after healing

26
Q

Why would a pedicle flap be used over an advancement flap?

A

Pedicle flap can reach the central cornea and are better for larger defects

27
Q

What can be used to reform the anterior chamber?

A

Balanced salt solution
Air bubble
Viscoelastics

28
Q

Which 2 which have caused a corneal laceration produce a more intense post operative uveitis?
Metal
Wood
Cat claw

A

claw and wood

29
Q

What is the difference between penetrating v perforating?

Which is likely to have fibrin in the anterior chamber/ cornea?

Which is more likely to cause dyscoria?

A

Penetrating- intracorneal FB embedded in stroma
Perforating- intracorneal FB partially in the cornea and protruding in to the anterior chamber

Perforating

Perforating

30
Q

What is the main cause of long term problems with a FB?

Prognosis?

A

If the anterior lens capsule is damaged.

Can cause uncontrollable phacoclastic uveitis, poor prognosis!

31
Q

Roughly what at depth of the cornea in a keratectomy should a graft/ CCT be used?

A

1/2-2/3

32
Q

Should drops or ointment be used if there is intraocular involvement?

A

Drops

33
Q

When performing aqueocentesis what size needle is used?

How much aqueous humour is aspirated?

A

23-26g

0.1-0.3mls

34
Q

What is the treatment for lens luxation extraction? Intra or extracapsular extraction?

A

Intracapsular extraction

35
Q

How is cataract extraction performed?

A

Phacoemulsification

Or extracapsular extraction

36
Q 
What is this?
Castroviejo spring action scissors 
Stevens tenotomy scissors
Landolt enucleation scissors
Metzenbaum scissors 
Ribbon scissors

Use?
Enucleation
Eyelid surgery
Cornea/ conjunctiva set

A

Metzenbaum scissors

Enucleation

37
Q 
What is this?
Castroviejo spring action scissors 
Stevens tenotomy scissors
Landolt enucleation scissors
Metzenbaum scissors 
Ribbon scissors

Use?
Enucleation
Eyelid surgery
Cornea/ conjunctiva set

A

Landolt enucleation scissors

Encucleation

38
Q 
What is this?
Castroviejo spring action scissors 
Stevens tenotomy scissors
Landolt enucleation scissors
Metzenbaum scissors 
Ribbon scissors

Use?
Enucleation
Eyelid surgery
Cornea/ conjunctiva set

A

Stevens tenotomy scissors

All

39
Q 
What is this?
Allis tissue forcep
Crile artery forcep
Adson thumb forcep 
Bennet cilia forcep

Use?
Enucleation
Eyelid surgery
Cornea/ conjunctiva set

A

Adson thumb forcep

Eyelid surgery, enucleation

40
Q 
What is this?
Castroviejo spring action scissors 
Stevens tenotomy scissors
Landolt enucleation scissors
Metzenbaum scissors 
Ribbon scissors

Use?
Enucleation
Eyelid surgery
Cornea/ conjunctiva set

A

Ribbon scissors straight blunt/blunt

Eyelid surgery

41
Q 
What is this?
Castroviejo spring action scissors 
Stevens tenotomy scissors
Landolt enucleation scissors
Metzenbaum scissors 
Ribbon scissors 
Westcott tenotomy scissors

Use?
Enucleation
Eyelid surgery
Cornea/ conjunctiva set

A

Westcott tenotomy scissors

Cornea/ conjunctiva surgery

42
Q 
What type of forcep is this?
Plain dissecting forcep
Fixating forcep - bishop Harman 
Bennett Cilia forcep
Wells artery forcep
Colibri forcep
Harms tying forcep
A

Bishop Harman fixation forcep

43
Q 
What type of forcep is this?
Plain dissecting forcep
Fixating forcep - bishop Harman 
Bennett Cilia forcep
Wells artery forcep
Colibri forcep
Harms tying forcep
A

Plain dissecting forcep

44
Q 
What type of forcep is this?
Plain dissecting forcep
Fixating forcep - bishop Harman 
Bennett Cilia forcep
Wells artery forcep
Colibri forcep
Harms tying forcep
A

Bennett cilia forcep

45
Q 
What type of forcep is this?
Plain dissecting forcep
Fixating forcep - bishop Harman 
Bennett Cilia forcep
Wells artery forcep
Colibri forcep
Harms tying forcep
A

Colibri forcep

46
Q 
What type of forcep is this?
Plain dissecting forcep
Fixating forcep - bishop Harman 
Bennett Cilia forcep
Wells artery forcep
Colibri forcep
Harms tying forcep
A

Harms tying forcep

Module 11 & 12 Surgical Techniques (1 decks)

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