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Soft intraocular lenses
L Allarakhia1, R L Knoll, R L Lindstrom
1Department of Ophthalmology, University of Minnesota, Minneapolis 55455.
Journal of Cataract and Refractive Surgery
|November 1, 1987
Summary
This review covers soft intraocular lenses (IOLs), detailing their material evolution from polymethylmethacrylate to silicones and hydrogels. It discusses properties, clinical outcomes, and future trends in cataract surgery.
Area of Science:
- Ophthalmology
- Biomaterials Science
- Materials Engineering
Background:
- Intraocular lenses (IOLs) are crucial for vision restoration after cataract surgery.
- The development of IOL materials has evolved significantly over time.
- Soft IOLs offer improved handling and implantation compared to older rigid materials.
Purpose of the Study:
- To provide a comprehensive review of the current state of soft intraocular lenses.
- To analyze the historical progression of IOL materials.
- To discuss the properties, clinical performance, and future directions of soft IOLs.
Main Methods:
- Literature review of historical and current IOL development.
- Analysis of chemical, physical, and biomaterial properties of soft IOL materials.
- Compilation and discussion of clinical results from international studies.
Main Results:
- Soft IOLs, including silicone and hydrogel types, have largely replaced older materials like polymethylmethacrylate.
- These materials offer distinct advantages and disadvantages concerning optical quality, biocompatibility, and surgical handling.
- Clinical data indicate successful outcomes with various soft IOL designs in small incision cataract surgery.
Conclusions:
- Soft IOL technology has advanced significantly, offering improved patient outcomes.
- Material properties critically influence the performance and safety of intraocular lenses.
- Future innovations in small incision cataract surgery and IOL design are anticipated.