Visual Outcomes and Complications of IOL Repositioning or Exchange for IOL Dislocation
To describe visual outcomes and complications of patients undergoing posterior chamber intraocular lens (IOL) repositioning or exchange.
Retrospective chart review of patients who underwent IOL exchange or repositioning for PCIOL dislocation. Demographic, visual, refractive, intraoperative and postoperative data was collected. Primary outcome measure was postoperative uncorrected visual acuity (UDVA). Secondary outcome measures were postoperative corrected distance visual acuity (CDVA), manifest refraction, and complications.
We collected data on 111 eyes, which underwent IOL exchange (n= 60) or repositioning (n= 51). Average follow-up was 24.1 months (range= 3 – 109 months). The exchange group demonstrated mean LogMAR UCVA improvement from 1.05 to 0.64 (p= 0.036) and the repositioning group from 1.11 to 0.57 (p= 0.004). There was no statistically significant difference in postoperative UDVA between both groups (p= 0.574). The most common complication was re-dislocation in 10 eyes: 3 in the exchange vs. 7 in the repositioning group (p= 0.182).
Both exchange and repositioning of dislocated IOLs resulted in similar improvements in UDVA. Re-dislocation occurred in 9% of eyes.