Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes.

Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Research Abstract Details 

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Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Abstract Text:

AIMS: To assess the retention and removal properties of a new viscous dispersive ophthalmic viscosurgical device (OVD), DisCoVisc, in comparison with those of cohesive (Provisc), dispersive (Viscoat), and viscoadaptive (Healon5) OVDs. METHODS: In 20 porcine eyes, cataract surgery was simulated using one of the four OVDs which were stained with fluorescein for better visualisation. Three parameters were measured. Firstly, the presence/absence of OVDs in the chamber at the completion of phacoemulsification was recorded. Secondly, the time until the OVDs were completely removed from the anterior chamber using the phaco needle was measured. Thirdly, after intraocular lens (IOL) implantation, the time needed to completely remove the OVDs from the chamber with irrigation/aspiration tip was recorded. RESULTS: At the completion of phacoemulsification, the OVDs retained in 0% (0/5) for Provisc, 80% (4/5) for Healon5, 100% (5/5) for DisCoVisc, and 100% (5/5) for Viscoat. The retention of OVDs during phacoemulsification was greatest with Viscoat followed by, in descending order, DisCoVisc, Healon5, and Provisc. The removal of OVDs after IOL implantation took longest with Viscoat followed by Healon5, DisCoVisc, and Provisc. CONCLUSION: The viscous dispersive DisCoVisc showed excellent retention during phacoemulsification, while its removal after IOL implantation was very easy. When compared with the viscoadaptive Healon5, DisCoVisc was retained better in the chamber and was easier to remove. These features of DisCoVisc should be highly advantageous when considering covering the entire cataract surgery procedure with a single OVD.

Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Publishing Authors By Initials

For similar natural sciences: chemistry: chemistry, physical: viscosity research abstracts see: natural sciences: chemistry: chemistry, physical: viscosity research

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Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The British journal of ophthalmology

VOLUME: 90

Page Numbers: 485-7

Journal Abbreviation: Br J Ophthalmol

ISSN: 0007-1161

DAY: 28

MONTH: Apr

YEAR: 2006

Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Information

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LANGUAGE: eng

NlmUniqueID: 421041

Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Keywords Mesh Terms:

KEYWORDS: Viscosity

MESH TERMS: instrumentation

Chemical & Substance for Abstract: Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes. Information

Substance Name: Chondroitin

Registry Number: 9007-27-6

Grant and Affiliation Information for Retention and removal of a new viscous dispersive ophthalmic viscosurgical device during cataract surgery in animal eyes.

AFFILIATION: Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki, 305-8575 Japan. toshika@md.tsukuba.ac.jp

Country: England

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MEDLINETA: Br J Ophthalmol

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