Objective: To evaluate the application of capsular tension ring (CTR) in the cataract surgery for zonular dialysis.
Methods: Eleven cases of partially traumatized zonular dialysis patients were managed with CTR after continuous curvilinear capsulorrhexis (CCC), cataract extraction and posterior chamber intraocular lens (IOL) implantation.
Results: The IOLs in all the eyes were basically in the normal position without tilting or obvious decentration. One month postoperatively, the best-corrected visual acuity (BCVA) was 0.4 in 4 eyes, 0.5-0.8 in 5 eyes and over 0.8 in 2 eyes. A side-by-side overlap of both eyelets of the ring happened in 1 eye due to the bigger diameter of CTR, and no other complications were seen except the original complication of cataract surgery.
Conclusions: For the patients of zonular dialysis, the CTR can preserve the integrity of the capsular bag, provide the necessary capsular space while giving a counter-traction, reduce asymmetric capsular forces, stabilize the vitreous base, facilitate phacoemulsification, aspiration of cortex and IOL implantation, prevent the postoperative IOL decentration and allow a quicker visual recovery. The CTR is a useful device that effectively supplements the currently available cataract surgery armamentarium, and develops the application of posterior chamber IOL implantation.
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