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Questions and Answers

What is the primary purpose of the Brien Holden Vision Institute's publication on Surgical treatments for Primary Open Angle Glaucoma?

  • To compare the outcomes of different glaucoma surgeries
  • To provide specific advice concerning the clinical management of glaucoma cases
  • To promote the use of argon laser trabeculoplasty over other surgical treatments
  • To provide general information on glaucoma surgical treatments (correct)

What is the primary mechanism of intraocular pressure reduction in laser trabeculoplasty?

  • Improved drainage through the Schlemm's canal
  • Reduced inflammation in the uveoscleral pathway
  • Decreased aqueous production by the ciliary body
  • Increased aqueous outflow through the trabecular meshwork (correct)

What is the name of the laser used in trabeculoplasty to improve intraocular pressure reduction?

  • Argon laser (correct)
  • YAG laser
  • Nd:YAG laser
  • Diode laser

What is the expected outcome of successful glaucoma surgery?

<p>Significant reduction in intraocular pressure (B)</p> Signup and view all the answers

What is the role of the trabecular meshwork in the eye?

<p>To regulate aqueous outflow (A)</p> Signup and view all the answers

What is the primary benefit of laser trabeculoplasty compared to other glaucoma surgeries?

<p>Less invasive procedure (D)</p> Signup and view all the answers

What is the primary purpose of laser therapy and surgery in glaucoma treatment?

<p>To selectively target one or more structures of the eye to reduce IOP (D)</p> Signup and view all the answers

What is the expected IOP reduction following laser trabeculoplasty?

<p>20-25% (C)</p> Signup and view all the answers

What is the usual environment for performing laser trabeculoplasty procedures?

<p>Outpatient surgery center or hospital clinic (D)</p> Signup and view all the answers

What is the focus of the laser beam in ALT?

<p>The junction of the pigmented and non-pigmented portion of the TM (B)</p> Signup and view all the answers

What is the typical outcome of ALT in terms of IOP reduction?

<p>IOP reduction in 75% of cases (C)</p> Signup and view all the answers

What is the usual scenario for treating the TM with ALT?

<p>Treating half the TM first and the other half in a separate session (C)</p> Signup and view all the answers

What is the potential outcome of repeated ALT procedures?

<p>Decreased effectiveness of subsequent procedures (A)</p> Signup and view all the answers

What is the key consideration when choosing a treatment for glaucoma?

<p>Minimizing risks and maximizing benefits to the patient (A)</p> Signup and view all the answers

What is the goal of incisional surgical techniques in POAG?

<p>To increase the outflow of aqueous humor (C)</p> Signup and view all the answers

What is the primary function of the trabecular meshwork in glaucoma treatment?

<p>To increase the outflow of aqueous humor (C)</p> Signup and view all the answers

What is the primary goal of Argon Laser Trabeculoplasty (ALT) in patients with primary open-angle glaucoma?

<p>To increase aqueous outflow by creating burns in the trabecular meshwork (D)</p> Signup and view all the answers

What is the advantage of Selective Laser Trabeculoplasty (SLT) compared to ALT?

<p>It targets specific pigmented cells in the trabecular meshwork (B)</p> Signup and view all the answers

What is the typical energy delivery range of the Q-switched Nd:YAG laser used in SLT?

<p>0.4-1.0 mJ over 3-4 nanoseconds (A)</p> Signup and view all the answers

What is the short-term success rate of SLT in terms of intraocular pressure reduction?

<p>6-9 mm Hg drop (C)</p> Signup and view all the answers

What is the approximate failure rate of ALT in controlling intraocular pressure in the first year?

<p>20-30% (A)</p> Signup and view all the answers

What is the primary mechanism of action of filtering procedures in glaucoma surgery?

<p>Creating a channel from the anterior chamber to the sclera (C)</p> Signup and view all the answers

What is the purpose of anti-metabolite therapy in glaucoma surgery?

<p>To reduce the risk of bleb failure (C)</p> Signup and view all the answers

What is the primary mechanism of action of the Trabectome procedure?

<p>Creating a direct communication between the anterior chamber and Schlemm's canal (D)</p> Signup and view all the answers

What is the primary goal of cyclophotocoagulation in glaucoma treatment?

<p>To reduce the production of aqueous humor (C)</p> Signup and view all the answers

What is the purpose of the Solx Gold Shunt in glaucoma surgery?

<p>To redirect fluid from the anterior chamber to the suprachoroidal space (C)</p> Signup and view all the answers

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