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Extracapsular cataract extraction and posterior-lip sclerectomy with viscoelastic
J C Merriam1, J B Wahlig, H Konrad
1Edward S. Harkness Eye Institute, Columbia-Presbyterian Medical Center, New York, NY.
Ophthalmic Surgery
|July 1, 1994
Summary
Posterior-lip sclerectomy combined with cataract surgery is safe and effective. This triple procedure showed no significant increase in astigmatism compared to standard cataract surgery alone.
Area of Science:
- Ophthalmology
- Surgical Techniques
- Intraocular Lens Implantation
Background:
- Extracapsular cataract extraction (ECCE) is a common procedure.
- Posterior chamber lens implantation is standard for cataract correction.
- Posterior-lip sclerectomy is a less common adjunct procedure.
Purpose of the Study:
- To evaluate the safety and efficacy of combining posterior-lip sclerectomy with ECCE and posterior chamber lens implantation.
- To assess the impact of this triple procedure on postoperative intraocular pressure and astigmatism.
Main Methods:
- A retrospective review of 15 cases undergoing the triple procedure.
- Monitoring of intraocular pressure and induced astigmatism postoperatively.
- Development of a mathematical model for postoperative astigmatism changes.
Main Results:
- The triple procedure was performed safely without complications like shallow anterior chamber or hypotony.
- Mean intraocular pressure at 1 year was 12.1 mm Hg.
- Induced astigmatism was not significantly different from ECCE alone in the first two years.
Conclusions:
- Posterior-lip sclerectomy can be safely integrated with ECCE and posterior chamber lens implantation.
- The combined procedure does not significantly worsen postoperative astigmatism.
- A new model aids in understanding astigmatism progression after these surgeries.