PMID: 9159690Apr 1, 1997Paper

Corneal endothelial protection by different viscoelastics during phacoemulsification

Journal of Cataract and Refractive Surgery
G RavalicoA Lovisato

Abstract

To evaluate corneal endothelium morphology and function after phacoemulsification using different viscoelastics. Eye Clinic, University of Trieste, Italy. This prospective, randomized study included results of preoperative and postoperative (7, 30, and 90 days) examinations of 66 patients scheduled for phacoemulsification without ocular pathology; 8 patients were excluded. Patients were randomly assigned to one of four groups based on type of viscoelastic used: 1% sodium hyaluronate (Healon); 1.4% sodium hyaluronate (Healon GV); 4% sodium chondroitin sulfate-3% sodium hyaluronate (Viscoat); 2% hydroxypropyl methylcellulose (Hymecel). Mean cell density and cell size variation coefficient were determined by specular microscopy; central corneal thickness, by ultrasonic pachymetry; and endothelial permeability coefficient and active pump function, by anterior segment fluorophotometry. There were no significant differences in postoperative mean cell loss among the groups. The cell size variation coefficient was altered in all groups 7 days after surgery and was still impaired at 30 days in the Hymecel group. A significant increase in mean corneal thickness, endothelial permeability, and active pump function occurred in the Healon an...Continue Reading

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Citations

Feb 28, 2001·Journal of Cataract and Refractive Surgery·M P HolzerH E Völcker
Aug 8, 2001·Journal of Cataract and Refractive Surgery·S Durán, M Zato
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Aug 6, 2003·Journal of Cataract and Refractive Surgery·Carlos Vergés, Elvira Llevat
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Nov 3, 2020·Journal of Ophthalmology·Monali S Malvankar-MehtaCindy Hutnik
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Aug 29, 2021·Journal français d'ophtalmologie·E MalandainM Muraine

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