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[Duo-Bonharen in a comparative study]
Abdulhafiz Al-Farzai1, J Novák, F Hubálek
1Ocní klinika FN, Hradec Králové. alfarzaih@hotmail.com
Summary
This study compared cataract surgery outcomes using different viscoelastic materials. Duo-Bonharen, a hyaluronic acid-based product, showed significantly better functional results than older methylcellulose-based options.
Area of Science:
- Ophthalmology
- Biomaterials Science
Background:
- Cataract surgery requires viscoelastic agents to maintain the anterior chamber.
- Traditional methylcellulose-based agents (Adatocel, Ocucoat, Metocel) and Viscoat have been widely used.
- Newer viscoelastic materials are being developed to improve surgical outcomes.
Purpose of the Study:
- To compare the efficacy of a new hyaluronic acid-based viscoelastic material (Duo-Bonharen) with older methylcellulose-based agents and Viscoat in cataract surgery.
- To evaluate the impact of different viscoelastic materials on intraocular pressure (IOP) and best-corrected visual acuity (BCVA) post-surgery.
Main Methods:
- Retrospective statistical evaluation of preoperative and postoperative IOP and BCVA data.
- Comparison of data from eyes using methylcellulose-based agents (n=378) and Viscoat (n=526) between 1995-2000.
- Comparison with prospective data from eyes using Duo-Bonharen (n=275) from 2001-2002.
Main Results:
- Duo-Bonharen demonstrated statistically significant improvements in functional results compared to older agents.
- Cohesive viscoelastic materials, like Duo-Bonharen, were associated with a decrease in IOP.
- Dispersive viscoelastic materials were associated with an increase in IOP.
Conclusions:
- Duo-Bonharen, a hyaluronic acid-based viscoelastic material, offers superior functional outcomes in cataract surgery.
- The rheological properties of viscoelastic agents influence postoperative intraocular pressure.
- Material selection is crucial for optimizing cataract surgery results.