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Letters to Editor

Trans-scleral fixation of Cionni - modified capsule tension ring

Sharma, Ashok

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Indian Journal of Ophthalmology: Sep–Oct 2010 - Volume 58 - Issue 5 - p 447
doi: 10.4103/0301-4738.67049
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Dear Editor,

I read with great interest the article entitled, “Results of intraocular lens implantation with capsular tension ring in subluxated crystalline or cataractous lenses in children,” by Das et al.[1] I congratulate the authors for an excellent study on a very relevant issue. The authors have shown 20/40 or better vision in 16 of 18 (89%) pediatric eyes, having a zonular dialysis of 90 to 210 degrees with Polymethyl methacrylate (PMMA) or an acrylic intraocular lens (IOL), implanted with a capsular tension ring (CTR). However, I believe that patients with zonular dialysis > 180 degrees might have shown better results if Cionni-modified CTR with a single or double eyelet was inserted and sutured to the sclera. Trans-scleral fixation of Cionni-modified CTR and IOL complex may provide better fixation, centration, and long-term stability in these cases with zonular dialysis > 180 degrees. The procedure will, in addition, eliminate the possible necessity of a second procedure of scleral fixation of one haptic, to correct the increased subluxation and IOL decentration in the postoperative period.[2]

1. Das P, Ram J, Brar GS, Dogra MR. Results of intraocular lens implantation with capsular tension ring in subluxated crystalline or cataractous lenses in children Indian J Ophthalmol. 2009;57:431–6
2. Vasavada V, Vasavada VA, Hoffman RO, Spencer TS, Kumar RV, Crandall AS. Intraoperative performance and postoperative outcomes of endocapsular ring implantation in pediatric eyes J Cataract Refract Surg. 2008;34:1499–508
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