996 resultados para Surgery Department


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Annual Report, Agency Performance Plan

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Annual Report, Agency Performance Plan

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Annual Report, Agency Performance Plan

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Agency Performance Plan

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Purpose: IOL centration and stability after cataract surgery is of high interest for cataract surgeons and IOL-producing companies. We present a new imaging software to evaluate the centration of the rhexis and the centration of the IOL after cataract surgery.Methods: We developed, in collaboration with the Biomedical Imaging Group (BIG), EPFL, Lausanne, a new working tool in order to assess precisely outcomes after IOL-implantation, such as ideal capsulorhexis and IOL-centration. The software is a plug-in of ImageJ, a general-purpose image processing and image-analysis package. The specifications of this software are: evaluation of the rhexis-centration and evaluation the position of the IOL in the posterior chamber. The end points are to analyze the quality of the centration of a rhexis after cataract surgery, the deformation of the rhexis with capsular bag retraction and the centration of the IOL after implantation.Results: This software delivers tools to interactively measure the distances between limbus, IOL and capsulorhexis and its changes over time. The user is invited to adjust nodes of three radial curves for the limbus, rhexis and the optic of the IOL. The radial distances of the curves are computed to evaluate the IOL implantation. The user is also able to define patterns for ideal capsulorhexis and optimal IOL-centration. We are going to present examples of calculations after cataract surgery.Conclusions: Evaluation of the centration of the rhexis and of the IOL after cataract surgery is an important end point for optimal IOL implantation after cataract surgery. Especially multifocal or accommodative lenses need a precise position in the bag with a good stability over time. This software is able to evaluate these parameters just after the surgery but also its changes over time. The results of these evaluations can lead to an optimizing of surgical procedures and materials.

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Department Report for Economic Development

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Annual of the General Services

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Cataract surgery is the most frequent surgery performed in the world. Modernization of cataract surgery is a continuous process and recent technological progress have enlarged the spectrum of treatable refractive errors, improved safety of surgery, speed of visual recovery and reduction of complications rate. Thus, during the last years, refractive intraocular lenses such as toric and multifocal IOLS have been introduced in practice, as well as torsional phacoemulsification and corneal microincision. For endophthalmitis prophylaxis, modern management includes intracameral injection of antibiotics. The future of cataract surgery is probably to replace phacoemulsification surgery by laser surgery, which is safer and more reproducible.

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Annual Auditors report of Information Technology Department

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Annual report of Information Technology Department

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Annual Report of Information Technology Department

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Monthly newsletter for public safety

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Monthly newsletter for public safety

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Monthly newsletter for public safety

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Monthly newsletter for public safety