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Updated: May 21, 2026

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Published on: December 1, 2023
Cataract surgery in patients taking alpha-1 antagonists: know the risks, avoid the complications
Daniel M Handzel1, Sebastian Briesen, Steffen Rausch
1Dardenne Eye Hospital, Bonn, Germany. dhandzel@augenaerzte-fulda.de
Intraoperative floppy iris syndrome (IFIS) complicates cataract surgery in patients taking alpha-1 receptor antagonists. Surgeon awareness of these medications is key to preventing IFIS complications during eye surgery.
Area of Science:
- Ophthalmology
- Pharmacology
Background:
- Benign prostatic hyperplasia (BPH) treatment with alpha-1 receptor antagonists can cause intraoperative floppy iris syndrome (IFIS).
- IFIS is characterized by iris billowing, poor pupillary dilation, and iris tissue protrusion during ophthalmic surgery.
- This condition poses significant challenges during cataract surgery, increasing risks of complications.
Purpose of the Study:
- To review the literature on intraoperative floppy iris syndrome (IFIS).
- To highlight the challenges and complications associated with IFIS in ophthalmic surgery.
- To emphasize the importance of physician communication in managing IFIS.
Main Methods:
- A selective review of relevant medical literature was conducted.
Main Results:
- Alpha-1 receptor antagonists affect iris alpha-receptors and induce stromal changes, leading to IFIS.
- Patient awareness of alpha-blocker use is crucial for ophthalmic surgeons to mitigate IFIS risks.
- Understanding the mechanism of IFIS is vital for surgical planning.
Conclusions:
- Comprehensive patient medical history is essential for identifying patients at risk of IFIS.
- Effective communication among urologists, family physicians, and ophthalmologists is critical for patient safety.
- Proactive management based on medication history can prevent IFIS-related complications in cataract surgery.
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