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Transient corneal edema after phacoemulsification: comparison of 3 viscoelastic regimens
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Ophthalmology.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Ophthalmology.
2002 (English)In: Journal of cataract and refractive surgery, ISSN 0886-3350, E-ISSN 1873-4502, Vol. 28, no 9, 1551-1556 p.Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To evaluate the effect of different viscoelastic substances on the grade and time course of postoperative corneal edema. SETTING: Department of Clinical Sciences/Ophthalmology, Umeå University Hospital, Umeå, Sweden. METHODS: This study comprised 62 patients with otherwise healthy eyes who had routine phacoemulsification and intraocular lens (IOL) implantation. Patients were divided into 3 groups. Group 1 was given Healon GV (sodium hyaluronate 1.4%) at phacoemulsification and IOL implantation. Group 2 was given Viscoat (sodium hyaluronate 3.0%-chondroitin sulfate 4.0%) at phacoemulsification and Healon GV at IOL implantation. Group 3 was given Viscoat at phacoemulsification and Provisc (sodium hyaluronate 1.0%) at lens implantation. The central corneal thickness was measured with ultrasonic pachymetry before surgery and 5 and 24 hours, 1 week, and 1 month after surgery. RESULTS: The mean increase in corneal thickness was significantly greater in Group 1 than in the other 2 groups 5 and 24 hours and 1 week after surgery. CONCLUSIONS: The transient postoperative increase in central corneal thickness was greater in patients receiving Healon GV during phacoemulsification than in patients receiving Viscoat. The use of Provisc or Healon GV for IOL implantation did not affect the postoperative corneal thickness when Viscoat was used for phacoemulsification. The time course of the edema may be explained by a difference between the 2 agents in endothelial protection from ultrasonic, mechanical, or irrigation trauma.

Place, publisher, year, edition, pages
Elsevier , 2002. Vol. 28, no 9, 1551-1556 p.
Keyword [en]
corneal edema, phacoemulsification, viscoelastics
National Category
Research subject
URN: urn:nbn:se:umu:diva-35438DOI: 10.1016/S0886-3350(01)01219-6PubMedID: 12231309Local ID: 744OAI: diva2:344230
Available from: 2010-08-18 Created: 2010-08-18 Last updated: 2010-12-16Bibliographically approved

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