21 / 22
© 2016, BSM Consulting
19
Modern Glaucoma Surgery
9. Which of the following procedures depend on a bleb for IOP reduction?
a. iStent
b. TrabecTome
c. Trabeculectomy
d. Cataract surgery
10. The iStent does which of the following?
a. Shunts aqueous from the posterior chamber to the anterior chamber
b. Shunts aqueous from the posterior chamber to Schlemm’s canal
c. Shunts aqueous from the anterior chamber to the subconjunctival bleb
d. Shunts aqueous from the anterior chamber to Schlemm’s canal
11. Which of the following is false regarding cilioablation procedures?
a. They involve destruction on the ciliary processes.
b. They can be performed by heating or freezing the tissue.
c. They are best suited for eyes with good vision.
d. Irreversible hypotony is a serious risk.
12. Which of the following factors is not important to consider when selecting a glaucoma procedure
for a specific patient?
a. Stage of the disease
b. Patient age
c. Target IOP
d. Safety and complications factors
13. Why should IOP be measured before glaucoma surgery?
a. To determine the need for surgery
b. To document the baseline by which surgical success will be judged
c. Both a and b.
d. Neither a nor b
14. Which of the following is not important to tell patients before their glaucoma operation?
a. His or her vision will not improve.
b. There will be many postoperative visits.
c. Additional operations may be needed to address complications.
d. The eye will be extremely painful for about one week.
15. Which of the following is not a potential complication of bleb-based glaucoma surgery?
a. Infection
b. Shallow anterior chamber
c. Worsening presbyopia
d. Tenon cyst
16. On postoperative day one, the patient’s chamber is very shallow. Which of the following is true?
a. If the IOP is low, the bleb has failed.
b. If the IOP is high, there is probably an infection.
c. If the IOP is low and the bleb is low, there is probably a bleb leak.
d. If the IOP is high and the bleb is low, it is probably due to overfiltration.