Related Experiment Video
Updated: Aug 8, 2026

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
Published on: July 7, 2023
Risk factors for an inflammatory response after extracapsular cataract extraction and posterior chamber IOL
L Drolsum1, M Davanger, E Haaskjold
1Department of Ophthalmology, Rikshospitalet, Oslo, Norway.
Insights
Postoperative inflammation after cataract surgery is linked to uveitis history, pseudo-exfoliation, poor pupil dilation, IOL issues, and pigment effusion. Identifying these risk factors helps improve patient outcomes.
Area of Science:
- Ophthalmology
- Surgical Research
Background:
- Postoperative inflammation is a common complication following cataract surgery.
- Understanding risk factors is crucial for managing and preventing this inflammatory response.
Purpose of the Study:
- To identify pre- and peroperative risk factors associated with developing an inflammatory response after extracapsular cataract extraction with posterior chamber intraocular lens (IOL) implantation.
Main Methods:
- A logistic regression model was used to analyze 10 pre- and 10 peroperative variables in 1154 cataract surgery cases.
- Inflammatory response was defined as increased cellular flare and/or fibrinous reaction over a 4-month follow-up.
Main Results:
- An inflammatory response occurred in 5.5% of cases (63 eyes).
- Significant risk factors included: uveitis history (p=0.0001), pseudo-exfoliation syndrome (p=0.0224), inadequate pupil dilation (p<0.0001), IOL implantation problems (p=0.0111), and pigment effusion (p=0.0258).
- Complications like cellular precipitates and posterior synechias were observed in a subset of affected eyes.
Conclusions:
- Specific pre- and peroperative factors significantly increase the risk of postoperative inflammation after cataract surgery.
- These findings can guide surgeons in patient selection and surgical technique to minimize inflammatory complications.
Abstract:
Risk factors for developing an inflammatory response after extracapsular cataract extraction with implantation of posterior chamber IOL have been studied. Out of 1154 cases included in the study, an inflammatory response was encountered in 63 eyes (5.5%). The inflammatory response was defined as increased cellular flare and/or as a fibrinous reaction during a follow-up of 4 months. Thirteen of the 63 eyes (20.6%) developed cellular precipitates, and posterior synechias were seen in 34 of these eyes (54.0%). Among 10 pre- and 10 peroperative putative risk factors analyzed in a logistic regression model, 5 variables had a statistically significant influence on the probability of developing postoperative inflammation; 1) Uveitis in history (p = 0.0001), 2) Pseudo-exfoliation syndrome (p = 0.0224), 3) Inability to obtain adequate mydriasis at the start of surgery (p < 0.0001), 4) Problems with IOL implantation (p = 0.0111) and 5) Pigment effusion during surgery (p = 0.0258).
Related Concept Videos
Glaucoma: Overview
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Angle Closure Glaucoma: Treatment
Inflammatory Response
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...

