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Question 1 of 10
1. Question
Intraoperative floppy iris syndrome (IFIS) may occur with a history of what medications? (select all that apply)
Correct
Correct! Asking about any history of prostate medications (eg., tamsulosin) is part of routine pre operative evaluation. There are some reported cases of IFIS in association with second generation antipsychotics (risperidone), but this is rare and not part of routine screening.
Incorrect
Asking about any history of prostate medication (eg., tamsulosin) use is part of routine pre operative evaluation. There are some reported cases of IFIS in association with second generation antipsychotics (eg., risperidone), but this is rare and not part of routine screening.
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Question 2 of 10
2. Question
What is the most common type of cataract?
Correct
Correct! Nuclear sclerotic cataracts are most common, and they can also occur in the presence of cortical and posterior subcapsular cataracts.
Incorrect
Nuclear sclerotic cataracts are most common, and they can also occur in the presence of cortical and posterior subcapsular cataracts.
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Question 3 of 10
3. Question
Which of the following are layers of the lens? (select all that apply)
Correct
Correct! The cornea, not the lens, has an epithelial layer. The lens has an outermost capsule (like the candy coating of a peanut M&M), a cortex (the chocolate), and an innermost nucleus (the peanut).
Incorrect
The cornea, not the lens, has an epithelial layer. The lens has an outermost capsule (like the candy coating of a peanut M&M), a cortex (the chocolate), and an innermost nucleus (the peanut).
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Question 4 of 10
4. Question
Lens sutures are (select all that apply):
Correct
Correct!
Incorrect
See the section on lens development. Sutures are formed from overlapping ends of lens fibers, initially in a “Y” shape during embryonic development.
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Question 5 of 10
5. Question
Factors that contribute to cataract formation include (select all that apply):
Correct
Correct! Many conditions predispose to cataract development, including all those listed here. Ocular surgeries, such as pars plana vitrectomy (PPV) and others, and numerous medications (especially steroids) also accelerate the formation of cataracts.
Incorrect
Many conditions predispose to cataract development, including all those listed here. Ocular surgeries, such as pars plana vitrectomy (PPV) and others, and numerous medications (especially steroids) also accelerate the formation of cataracts.
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Question 6 of 10
6. Question
When should cataracts be removed? (select all that apply)
Correct
Correct! It is important to emphasize to patients that cataracts themselves are not damaging to the eye. There is no urgency to remove cataracts until they either impair monitoring of other ocular diseases or the patient feels they interfere with daily activities (such as safe driving).
Incorrect
It is important to emphasize to patients that cataracts themselves are not damaging to the eye. There is no urgency to remove cataracts until they either impair monitoring of other ocular diseases or the patient feels they interfere with daily activities (such as safe driving).
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Question 7 of 10
7. Question
Bilateral cataracts should be removed simultaneously.
Correct
Correct. This is meant to decrease the risk of vision loss in the rare case of infection or other surgical complications.
Incorrect
Bilateral cataracts are removed in separate surgeries to decrease the risk of vision loss in the rare case of infection or other surgical complications.
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Question 8 of 10
8. Question
Capsulorhexis (CAP-su-lo-REX-is) is:
Correct
Correct! Dissociation of the lens cortex from the overlying capsule is called hydrodissection (don’t confuse with hydrodelineation, which is separates the endonucleus from the epinucleus). Incision of the cornea (and into the anterior chamber) during cataract surgery is called paracentesis.
Incorrect
Dissociation of the lens cortex from the overlying capsule is called hydrodissection (don’t confuse with hydrodelineation, which is separates the endonucleus from the epinucleus). Incision of the cornea (and into the anterior chamber) during cataract surgery is called paracentesis.
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Question 9 of 10
9. Question
The most commonly used technique in cataract surgery is:
Correct
Correct! Phacoemulsification is most commonly used in the United States, but is more expensive than ECCE. See the section on surgical modalities.
Incorrect
Phacoemulsification is most commonly used in the United States, but is more expensive than ECCE. See the section on surgical modalities.
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Question 10 of 10
10. Question
Endophthalmitis occurs in approximately what percent of cataract surgeries?
Correct
Endophthalmitis is a rare complication of cataract surgery. Perioperative subconjunctival or intracameral antibiotics (such as cefuroxime) may help further reduce this risk.
Incorrect
Endophthalmitis is a rare complication of cataract surgery. Perioperative subconjunctival or intracameral antibiotics (such as cefuroxime) may help further reduce this risk.