Related Experiment Video
Updated: Mar 17, 2026

Retinal Detachment Model in Rodents by Subretinal Injection of Sodium Hyaluronate
Published on: September 11, 2013
COMPLEX RETINAL DETACHMENT IN PHAKIC PATIENTS: Previtrectomy Phacoemulsification Versus Combined Phacovitrectomy.
Gian Marco Tosi1, Angelo Balestrazzi, Stefano Baiocchi
1*Ophthalmology Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy; and †Department of Medical Biotechnologies, University of Siena, Siena, Italy.
Preemptive cataract surgery before pars plana vitrectomy showed less posterior synechia compared to combined phacovitrectomy. However, both approaches yielded similar final visual and anatomical outcomes for complex retinal detachment.
Area of Science:
- Ophthalmology
- Retinal Surgery
- Cataract Surgery
Background:
- Complex rhegmatogenous retinal detachment often requires surgical intervention.
- Phakic patients with retinal detachment may necessitate cataract surgery.
- The timing of cataract surgery relative to pars plana vitrectomy is a key consideration.
Purpose of the Study:
- To compare preemptive cataract surgery (one week prior to vitrectomy) with combined phacovitrectomy.
- To evaluate the impact on postoperative anterior segment status.
- To assess final functional and anatomical outcomes in complex retinal detachment.
Main Methods:
- Retrospective review of 59 phakic patients with complex rhegmatogenous retinal detachment.
- Group 1: 29 patients underwent cataract surgery 7 days before vitrectomy.
- Group 2: 30 patients underwent combined phacovitrectomy.
Main Results:
- Preemptive cataract surgery (Group 1) demonstrated less posterior synechia postoperatively.
- No significant differences were observed in fibrin, posterior synechia rates, intraocular pressure, redetachment rates, or final visual acuity.
- Surgical time and tamponade types were similar between groups.
Conclusions:
- Preemptive cataract surgery is associated with reduced posterior synechia.
- Final functional and anatomical outcomes are comparable between preemptive cataract surgery and combined phacovitrectomy.
- Both surgical strategies are effective for complex retinal detachment in phakic eyes.
Related Concept Videos
Photoreceptors and Visual Pathways
Anatomy of the Eyeball
Glaucoma: Overview

