Cataract Extraction Clinical Trial
Official title:
Comparison of the Torsional Handpiece to Conventional Handpiece During Routine Phacoemulsification
The purpose of this study is to evaluate the visual outcomes, amount of inflammation, endothelial cell loss, and the efficiency of a torsional handpiece compared to a conventional handpiece during surgery to remove your cataracts.
With the introduction of new phaco-emulsification systems, the cataract surgery has become a
very safe procedure. The new machines combine fewer surges, lower amount of ultrasound and
more controlled anterior chamber depth, as well as lower incidence of thermal burns of the
incision site.1-4
Alcon's Infiniti Vision System phacoemulsification machine includes now a torsional
handpiece (OZiLâ„¢). The goal of OZiLâ„¢ is to minimize the surgery impact by reducing
temperature increase, turbulence and incision stress. This handpiece has a sideways movement
that does not repel the cataract during its extraction making the removal more continuous,
maintains occlusion which facilitates vacuum build-up and reduces flow through the anterior
chamber decreasing turbulence, therefore reducing the likelihood of lens particles damaging
the corneal endothelial cells.
The purpose of this study is to compare visual outcomes, induction of inflammation,
endothelial cell loss and efficiency of the torsional handpiece vs. the conventional
phacoemulsification handpiece when using the Alcon Infiniti Vision System.
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Observational Model: Case Control, Time Perspective: Retrospective
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