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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Posterior capsule opacification in eyes with a silicone or poly(methyl methacrylate) intraocular lens.

PURPOSE: To evaluate the effect of poly(methyl methacrylate) (PMMA) and silicone intraocular lenses (IOLs) on posterior capsule opacification (PCO) after cataract surgery. SETTING: Kangnam St. Mary's Hospital, Seoul, Korea. METHODS: This retrospective study comprised 48 patients (54 eyes) who had neodymium:YAG (Nd:YAG) laser posterior capsulotomy from March 1995 to December 1997. All operations were performed by 1 surgeon using the same technique except for incision method. RESULTS: Mean interval from cataract surgery to Nd:YAG capsulotomy was 31 months in the PMMA group and 15 months in the silicone group. The difference between groups was statistically significant (P = .0002). The ratio of Elschnig pearl to fibrosis type PCO was 16:6 in the PMMA group and 14:18 in the silicone group. Mean total Nd:YAG laser energy used was 256 mJ in the PMMA group and 309 mJ in silicone group. However, the damage caused by the laser was more severe and more common in the silicone group. CONCLUSION: Silicone IOLs induced PCO faster than PMMA IOLs, with fibrosis the most common type in the silicone group. Precautions should be taken to prevent damage during Nd:YAG laser capsulotomy in eyes with a silicone IOL.[1]

References

  1. Posterior capsule opacification in eyes with a silicone or poly(methyl methacrylate) intraocular lens. Kim, M.J., Lee, H.Y., Joo, C.K. Journal of cataract and refractive surgery. (1999) [Pubmed]
 
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