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Proceedings Paper

Restoring accommodation: surgical technique and preliminary evaluation in rabbits
Author(s): Hassan Tahi; Pascal F. Chapon; Marie Hamaoui; William E. Lee; Brien Holden; Jean-Marie A. Parel
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Paper Abstract

Purpose. To evaluate an innovative surgical technique for phaco-ersatz, a cataract surgery designed to restore accommodation. Techniques for very small capsulorhexis as well as the refilling procedure were developed. This study evaluates the feasibility and reproducibility of the surgical technique. Methods. The right eye of 8 NZW rabbits (≈ 2 Kg) were operated following the ARVO Statements for the Use of Animals in Ophthalmic and Vision Research. The surgery is begun by making a small peripheral capsulorhexis of about 1 mm using. The lens content is then removed. The lens is then refilled with a novel in situ polymerizable gel and the corneal incision is closed using one 10/0 Nylon interrupted stitch. Results. The capsulorhexis technique was succesfully performed and reproducible in all animals. The average size of the capsulorhexis opening was 1. 2 mm (±0.14). Lens material removal and refilling of the capsular bag with an in situ polymerizable material was also performed in each trial study. Conclusion. This surgical technique seemed feasible and reproducible.

Paper Details

Date Published: 18 June 1999
PDF: 3 pages
Proc. SPIE 3591, Ophthalmic Technologies IX, (18 June 1999); doi: 10.1117/12.350583
Show Author Affiliations
Hassan Tahi, Bascom Palmer Eye Institute/Univ. of Miami School of Medicine and Univ. of Liege (United States)
Pascal F. Chapon, Bascom Palmer Eye Institute/Univ. of Miami School of Medicine (France)
Marie Hamaoui, Bascom Palmer Eye Institute/Univ. of Miami School of Medicine and Univ. of Miami (United States)
William E. Lee, Bascom Palmer Eye Institute/Univ. of Miami School of Medicine (United States)
Brien Holden, Cooperative Research Ctr. for Eye Research and Technology (Australia)
Jean-Marie A. Parel, Bascom Palmer Eye Institute, Univ. of Liege, and Univ. of Miami (United States)


Published in SPIE Proceedings Vol. 3591:
Ophthalmic Technologies IX
Bruce E. Stuck; Pascal O. Rol; Michael Belkin; Karen Margaret Joos; Fabrice Manns; Bruce E. Stuck; Michael Belkin, Editor(s)

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