February 2005 Subscription Information Volume 31, Number 2
Continuing Medical Education   CME Expiration: August 1, 2005

JCRS CME Quiz

Quiz must be completed individually and answers based on personal knowledge gained from reading the selected articles.

On the answer sheet, please write in the letter corresponding to the most correct answer. Return only the completed answer sheet, payment, and CME verification information to ASCRS. It is not necessary to return the printed quiz.

Questions developed by Yanina Kostina-O’Neil, MD, and David E. Silverstone, MD, Chairman, ASCRS Continuing Medical Education.

Biometry accuracy using zero and negative-powered intraocular lenses
Robert E. MacLaren, DPhil, FRCS, Mandeep S. Sagoo, PhD, MRCOphth, Marie Restori, FIPEM, Bruce D.S. Allan, MD, FRCS

1. According to the article, what percentage of patients were within ± 1.00 D of the predicted refraction?
a. 25%
b. 37%
c. 41%
d. 52%

2. In all study patients, there was a significant tendency toward a hyperopic overcorrection by
a. 0.80 D
b. 1.14 D
c. 1.33 D
d. 1.90 D

3. The most preferable formula for precise biometry in extremely long eyes is
a. SRK II
b. Holladay’s
c. Hoffer’s
d. SPK /T

Transepithelial phototherapeutic keratectomy/photorefractive keratectomy with adjunctive mitomycin-C for complicated LASIK flaps
Laura T. Muller, MD, Eugenio M. Candal, MD, Randy J. Epstein, MD, Richard F. Dennis, MD, Parag A. Majmudar, MD

4. What was the mean UCVA after the procedure?
a. 20/21
b. 20/28
c. 20/30
d. 20/25

5. What concentration of mitomycin-C was used in the study?
a. 0.01%
b. 0.02%
c. 0.03%
d. 0.05%

6. What percentage of patients experienced delayed reepithelialization and corneal haze postoperatively?
a. 2%
b. 3%
c. 5%
d. 0%

Standardized arcuate keratotomy for postkeratoplasty astigmatism
Mark R. Wilkins, MD, Jod S. Mehta, MRCOphth, D. Frank P. Larkin, MD

7. According to the article, what percentage of patients had more than 5.0 D of astigmatism flowing penetrating keratoplasty?
a. 7%
b. 10%
c. 19%
d. 21%

8. What was the depth of the incisions placed in the corneal stroma for correction of astigmatism?
a. 350 µm
b. 500 µm
c. 600 µm
d. 630 µm

9. According to the article, the mean cylinder was reduced from -10.99 D to
a. -6.1 D
b. -5.2 D
c. -3.33 D
d. -2.25 D

Comparison of wavefront aberration after cataract surgery with acrylic intraocular lens implantation
Jaewan Choi, MD, Tai-im Kim, MD, Hungwon Tchah, MD

10. What types of acrylic IOLs were used in patients involved in the study?
a. MA60BM
b. Sensar AR40
c. Corneal ACR6D
d. All the above

11. The purpose of the study was to compare
a. Aberration changes in pseudophakic eyes with acrylic IOLs and in normal phakic eyes
b. Aberration changes in patients with MA60BM IOLs and in patients with Sensar AR40 IOLs
c. Aberration changes in patients with Sensar AR40 IOLs and in patients with Corneal ACR6D IOLs
d. Aberration changes in patients with Corneal ACR6D IOLs and in aphakic eyes

12. What type of aberrometer was used in the study?
a. manual
b. Hartmann-Shack
c. Zywave
d. Zernike

Hepatocyte growth factor and keratinocyte growth factor regulation of epithelial and stromal corneal wound healing
Louise M. Carrington, PhD, Mike Boulton, PhD

13. What growth factor(s) accelerate(s) epithelial coverage of the wound?
a. HGF
b. KGF
c. Both
d. Neither

14. What tissue or fluid is capable of secreting KGF?
a. corneal epithelial cells
b. tear fluid
c. corneal stroma
d. corneal endothelium

15. What growth factor(s) promote(s) differentiation of keratocytes into myofibroblasts?
a. Hepatocyte growth factor
b. Keratinocyte growth factor
c. Erythrocyte growth factor
Platelet growth factor