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Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
Published on: July 7, 2023
Posterior Capsule Rupture and Vitreous Loss in Cataract Surgery: A Retrospective Analysis from a Swiss Tertiary
Tahm Spitznagel1,2, Gábor Márk Somfai1,2,3, Ferhat Turgut1,2,3,4
1Department of Ophthalmology, Stadtspital Zürich, Zurich, Switzerland.
Clinical Ophthalmology (Auckland, N.Z.)
|April 9, 2026
Summary
Posterior capsule rupture (PCR) and vitreous loss (VL) occurred in 1.9% of cataract surgeries. Pseudoexfoliation (PEX) was a significant independent risk factor for these complications, while the Triemli Cataract Score (TCS) showed a trend towards significance.
Area of Science:
- Ophthalmology
- Surgical Complications
- Cataract Surgery Outcomes
Background:
- Posterior capsule rupture (PCR) and vitreous loss (VL) are known complications of cataract surgery.
- Identifying preoperative risk factors is crucial for improving surgical outcomes and patient safety.
Purpose of the Study:
- To determine the incidence of PCR and VL during cataract surgery at a Swiss tertiary care center.
- To evaluate preoperative risk factors, including pseudoexfoliation (PEX), age, anesthesia type, and the Triemli Cataract Score (TCS), for PCR/VL.
Main Methods:
- Retrospective single-center cohort study of phacoemulsification and refractive lens exchange procedures (January 2021 - August 2024).
- Data collected from the Dendrite clinical database and manual chart review.
- Univariable and multivariable logistic regression analyses were used to assess risk factors.
Main Results:
- A total of 2,719 eyes were analyzed, with an incidence of PCR and/or VL of 1.9% (52 eyes).
- Univariate analysis showed PEX (OR 2.72) and TCS ≥3 (OR 2.38) were associated with increased risk, while topical anesthesia reduced risk (OR 0.51).
- Multivariate analysis identified PEX as an independent risk factor (OR 2.38); TCS ≥3 approached statistical significance (OR 1.79).
Conclusions:
- The incidence of PCR/VL in this Swiss center is comparable to international rates.
- Pseudoexfoliation (PEX) is a significant independent predictor of PCR/VL.
- The Triemli Cataract Score (TCS) shows potential for risk stratification in cataract surgery planning.
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