두 가지 다른 절개 방법의 Nd:YAG 레이저 후낭절개술이 시기능에 미치는 영향

다국어 초록 (Multilingual Abstract)

Purpose: To investigate the effects of two different opening patterns in neodymium:yttrium-aluminum-garnet (Nd:YAG) laser posterior capsulotomy on visual function. Methods: A randomized prospective study was conducted on 62 pseudophakic eyes from 50 patients with posterior capsular opacification (PCO). Groups A and B underwent laser posterior capsulotomy with a cruciate opening and a modified circular opening, respectively. The best corrected visual acuity (BCVA), contrast sensitivity, and glare sensitivity were measured before and after laser posterior capsulotomy in both groups. The occurrences of intraocular lens (IOL) pittings were investigated and compared between the two groups. Results: After laser capsulotomy, there were significant increases in BCVA, contrast and glare sensitivity in both groups and no significant differences between the two groups. However, group A had significantly more patients with three or more IOL pittings within a 1.5-mm radius from the IOL center (p = 0.047). In group A, these patients had significantly less contrast sensitivity (p = 0.023 in 1.6 cpd) and glare sensitivity (p = 0.043 in 1.6 cpd) than did patients with two or fewer IOL pittings. Conclusions: Nd:YAG laser posterior capsulotomy using a modified circular opening can be considered an effective method to manage PCO. J Korean Ophthalmol Soc 2012;53(3):390-395

참고문헌 (Reference)

1 Krauss JM, "Vitreous changes after neodymium-YAG laser photodisruption" 104 : 592-597, 1986

2 Goble RR, "The role of light scatter in the degradation of visual performance before and after Nd:YAG capsulotomy" 8 (8): 530-534, 1994

3 Tan JC, "The effect of neodymium: YAG capsulotomy on contrast sensitivity and the evaluation of methods for its assessment" 106 : 703-709, 1999

4 Weiblinger RP, "Review of the clinical literature on the use of the Nd:YAG laser for posterior capsulotomy" 12 : 162-170, 1986

5 Ranta P, "Retinal breaks before and after neodymium:YAG posterior capsulotomy" 26 : 1190-1197, 2000

6 Sheard RM, "Posterior vitreous detachment after neodymium:YAG laser posterior capsulotomy" 29 : 930-934, 2003

7 Dangel ME, "Posterior capsule opacification in extracapsular cataract extraction and the triple procedure: a comparative study" 25 : 82-87, 1994

8 Apple DJ, "Posterior capsule opacification" 37 : 73-116, 1992

9 Frezzotti R, "Pathogenesis of posterior capsular opacification. Part I. Epidemiological and clinico-statistical data" 16 : 347-352, 1990

10 Chambless WS., "Neodymium:YAG laser posterior capsulotomy results and complications" 11 : 31-32, 1985

11 Aslam TM, "Neodymium:YAG laser capsulotomy: a clinical morphological analysis" 240 : 972-976, 2002

12 Stark WJ, "Neodymium: YAG lasers. An FDA report" 92 : 209-212, 1985

13 Gardner KM, "Neodymium: YAG laser posterior capsulotomy: the first 100 cases at UCLA" 16 : 24-28, 1985

14 Wasserman EL, "Neodymium: YAG laser posterior capsulotomy" 11 : 245-248, 1985

15 Moisseiev J, "Long-term study of the prevalence of capsular opacification following extracapsular cataract extraction" 15 : 531-533, 1989

16 Bath PE, "Long-term results of Nd:YAG laser posterior capsulotomy with the Swiss laser" 12 : 150-153, 1986

17 Georgopoulos M, "Influence of intraocular lens material on regeneratory posterior capsule opacification after neodymium:YAG laser capsulotomy" 29 : 1560-1565, 2003

18 Nishi O, "Incidence of posterior capsule opacification in eyes with and without posterior chamber intraocular lenses" 12 : 519-522, 1986

19 Sunderraj P, "Glare testing in pseudophakes with posterior capsule opacification" 6 (6): 411-413, 1992

20 Newland TJ, "Experimental neodymium:YAG laser damage to acrylic, poly(methyl methacrylate), and silicone intraocular lens materials" 25 : 72-76, 1999

21 Magno BV, "Evaluation of visual function following neodymium:YAG laser posterior capsulotomy" 104 : 1287-1293, 1997

22 Sterling S, "Effect of intraocular lens convexity on posterior capsule opacification" 12 : 655-657, 1986

23 Apple DJ, "Complications of intraocular lenses. A historical and histopathological review" 29 : 1-54, 1984

24 Hu CY, "Change in the area of laser posterior capsulotomy: 3 month follow-up" 27 : 537-542, 2001

25 Emery J., "Capsular opacification after cataract surgery and capsule" 9 : 60-65, 1998

26 Schaumberg DA, "A systematic overview of the incidence of posterior capsule opacification" 105 : 1213-1221, 1998