Cataract Surgery in Pseudoexfoliation Syndrome Using the Eight-Chop Technique
1Department of Ophthalmology, Sato Eye Clinic, Nemoto 3-3, Matsudo-shi 271-0077, Chiba-ken, Japan.
Journal of Personalized Medicine
|September 26, 2025
Summary
The eight-chop technique in cataract surgery is safe and effective for pseudoexfoliation (PEX) syndrome patients, showing favorable surgical metrics and no need for capsular tension rings. This method improves cataract management.
Area of Science:
- Ophthalmology
- Surgical Techniques
Background:
- Pseudoexfoliation (PEX) syndrome presents challenges in cataract surgery due to potential zonular weakness.
- Evaluating novel surgical techniques is crucial for optimizing outcomes in complex cases.
Purpose of the Study:
- To assess the safety and efficacy of the eight-chop technique in cataract surgery for patients with PEX syndrome.
- To compare intraoperative parameters, corneal endothelial cell changes, intraocular pressure, and complications between PEX and control groups.
Main Methods:
- The eight-chop technique was applied to patients with and without PEX syndrome.
- Preoperative and postoperative assessments included visual acuity, intraocular pressure (IOP), and corneal endothelial cell density (CECD).
- Intraoperative data collected: operative time, phaco time, aspiration time, cumulative dissipated energy (CDE), and fluid volume.
Main Results:
- The eight-chop technique demonstrated favorable surgical metrics in the PEX group compared to the control group.
- Corneal endothelial cell density losses were observed postoperatively in both groups, with slightly higher but acceptable losses in the PEX group.
- No cases in the PEX group required a capsular tension ring due to zonular dialysis.
Conclusions:
- The eight-chop technique is effective and safe for cataract surgery in patients with PEX syndrome.
- The technique manages zonular weakness effectively, potentially eliminating the need for additional devices like capsular tension rings.
- This approach contributes to personalized treatment strategies and improved cataract management.


