What question did this study set out to answer?

To assess how ICL exchange strategies affect vault changes over 12 years in a high-volume center.

April 24, 2026

Size exchange and vault response in posterior chamber phakic intraocular lens implantation: 12 years at a high-volume center

Key Points

To assess how ICL exchange strategies affect vault changes over 12 years in a high-volume center.
Analyzed vault outcomes after downsizing, same-size exchange, and upsizing strategies.
Evaluated the impact of patient age and preoperative vault on outcomes.
Conducted a long-term observational study.
Downsizing consistently reduced excessive vault.
Same-size exchange showed minimal vault change.
Upsizing resulted in smaller vault increases, particularly in older patients.

Abstract

Vault change after ICL exchange was strategy-dependent: downsizing reliably reduced excessive vault, same-size exchange produced minimal change, and upsizing yielded smaller gains that diminished with increasing age. ICL exchange requires careful planning that accounts for exchange strategy, preoperative vault, and patient age.

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