Axial Length of the Eyeball Is Important in Secondary Dislocation of the Intraocular Lens, Capsular Bag, and Capsular Tension Ring Complex

Abstract

Purpose. To analyze the patients with secondary dislocation of CTR and IOL within 5 years from cataract surgery, to determine predisposing factors. Methods. 16 eyes of 15 patients aged 66.2 ± 6.7 (from 49 to 82) with CTR/IOL complex dislocation within 5 years from cataract surgery were compared with 26 patients aged 67.1 ± 7.2 (from 53 to 85), implanted with CTR during cataract surgery to manage zonule dehiscence and did not dislocate for at least 5 years, in respect of cause, axial length and IOL power, refraction, coexistent pathology, and trauma. Results. Axial length of the eyeball was 23.8 ± 1.3 (from 21 to 29) in the group of patients with CTR/IOL dislocation and 20.7 ± 1.2 (from 19 to 24) in patients with no dislocation present (p = 0.008). Crystalline lens dislocation was diagnosed before surgery in 13 of 16 patients with CTR/IOL complex dislocation as opposed to 7 of 26 eyes in the control group (p = 0.01). Pseudoexfoliation was present in 50% and 58% in both groups, respectively. Traumatic dislocation was present in 8 patients, none of them with CTR/IOL dislocation (p = 0.04). Conclusion. Longer axial length may contribute to the failure of the CTR to prevent in-the-bag IOL dislocation. Traumatic dislocation appears to be well fixed with the CTR.

Retropupillary Iris Fixation of an Artisan Myopia Lens for Intraocular Lens Dislocation and Aphakia in Eyes with Extremely High Myopia: A Case Series and a Literature Review

“…To our knowledge, this is the first case series on the retropupillary iris fixation of an iris claw Artisan Myopia IOL (model 204) in patients with high myopia who present with IOL dislocation. A longer eyeball in eyes with high myopia is strongly associated with dislocation of the IOL-bag complex [12]. A previous study reported the need for IOL exchange in children with pseudophakic eyes because of myopic shift resulting from axial elongation [13].…”

“…A longer eyeball in eyes with high myopia is strongly associated with dislocation of the IOL–bag complex [ 12 ]. A previous study reported the need for IOL exchange in children with pseudophakic eyes because of myopic shift resulting from axial elongation [ 13 ].…”

Intraocular Lens Dislocation after Cataract Surgery in Tambolaka, Southwest Sumba, Indonesia: A Case Report

“…Activities such as lifting of heavy objects could increase intraocular pressure and push the IOL and IOL haptic anteriorly, hence the defect of the IOL haptic. Klysik et al [10] stated that axial length and low IOL power could be the risk factors of lens dislocation within 5 years of surgery and that the axial length is statistically significant in the incidence of IOL dislocation ( p = 0.009). Longer axial length also contributes to a higher risk of IOL dislocation.…”

Capsular Contraction Syndrome. Review. Methods of Prevention and Treatment. Part 2

“…Применение внутрикапсульных колец позволяет расправить капсульный мешок и создать равномерное растяжение капсульной сумки, однако данные о профилактике ККС в таких случаях противоречивы. Не исключается и риск спонтанной дислокации блока «капсульный мешок -ИОЛ -внутрикапсульное кольцо» в стекловидное тело [3].…”