Possible Predisposing Factors for In-the-Bag and Out-of-the-Bag Intraocular Lens Dislocation and Outcomes of Intraocular Lens Exchange Surgery

Possible major predisposing factors for in-the-bag IOL dislocation are pseudoexfoliation, retinitis pigmentosa, the status after vitrectomy, and trauma, whereas those for out-of-the-bag dislocation are secondary implantation, surgical complications, and mature cataract. After IOL exchange surgery, corrected VA does not improve markedly. Because the incidence of postoperative complications after IOL exchange with scleral suturing is high, the use of other surgical techniques should be considered.