Technique of using Cionni-modified capsular tension ring in the management of severely traumatic lens subluxation

Author:

Jiang Hao, ,Chu Yan-Hua,

Abstract

AIM: To investigate the effect of Cionni-modified capsular tension ring (CTR) implantation in patients with severely traumatic subluxated cataracts. METHODS: All patients who totally had traumatic cataracts and lost zonule support and underwent cataract surgery were retrospectively analyzed. Corrected distance visual acuity (CDVA), extent of zonulysis, intraocular lens (IOL) position, intraoperative presentation, and complications were assessed. The primary outcomes included IOL centration stability and other postoperative complications. RESULTS: Twenty patients (20 eyes) were included in this study. The mean age in this study was 58.0±11.3y, and the average follow-up time was 17.3±12.8mo. Capsule bags were saved by Cionni-modified CTR. Nine eyes (45%) underwent simultaneously anterior vitrectomy due to the presence of vitreous in the anterior chamber. The preoperative mean CDVA was 0.83±0.24 logMAR, and the postoperative average CDVA was 0.23±0.30 logMAR (P<0.05). The horizontal and vertical IOL decentration after surgery was 0.27±0.12 mm and 0.41±0.19 mm, respectively; the vertical and horizontal IOL tilt after surgery was 5.5°±2.5° and 6.1°±2.2°, respectively. None of the eyes had obvious IOL decentration during the follow-up time. Eight eyes (40%) had posterior capsule opacification (PCO) that was severe enough to cause poor vision. Neodymium: YAG laser capsulotomy were performed on these eyes when the CTR was stabilized. CONCLUSION: With the help of Cionni-modified CTR, capsular bag preservation and better IOL concentration can be achieved without major complications in patients with severely traumatic subluxated cataracts.

Publisher

Press of International Journal of Ophthalmology (IJO Press)

Subject

Ophthalmology

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