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Dive into the research topics where Giuseppe Ravalico is active.

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Featured researches published by Giuseppe Ravalico.


Journal of Cataract and Refractive Surgery | 2012

Stroke dynamics and frequency of 3 phacoemulsification machines

Daniele Tognetto; Paolo Cecchini; Pia Easter Leon; Marta Di Nicola; Giuseppe Ravalico

PURPOSE: To measure the working frequency and the stroke dynamics of the phaco tip of 3 phacoemulsification machines. SETTING: University Eye Clinic of Trieste, Italy. DESIGN: Experimental study. METHODS: A video wet fixture was assembled to measure the working frequency using a micro camera and a micropulsed strobe‐light system. A different video wet fixture was created to measure tip displacement as vectorial movement at different phaco powers using a microscopic video apparatus. RESULTS: The working frequency of the Infiniti Ozil machine was 43.0 kHz in longitudinal mode and 31.6 kHz in torsional mode. The frequency of the Whitestar Signature machine was 29.0 kHz in longitudinal mode and 38.0 kHz with the Ellips FX handpiece. The Stellaris machine had a frequency of 28.8 kHz. The longitudinal stroke of the 3 machines at different phaco powers was statistically significantly different. The Stellaris machine had the highest stroke extent (139 μm). The lateral movement of the Infiniti Ozil and Whitestar Signature machines differed significantly. No movement on the y‐axis was observed for the Infiniti Ozil machine in torsional mode. The elliptical path of the Ellips FX handpiece had different x and y components at different phaco powers. CONCLUSIONS: The 3 phaco machines performed differently in terms of working frequency and stroke dynamics. The knowledge of the peculiar lateral and elliptical path strokes of Infiniti and Whitestar Signature machines may allow the surgeon to fully use these features for lens removal. Financial Disclosure: No author has a financial or proprietary interest in any material or method mentioned.


Archive | 2012

Surface Roughness of IOLs: Experimental Study

Daniele Tognetto; Paolo Cecchini; Pia Easter Leon; Giuseppe Ravalico


Archive | 2010

Corneal Astigmatism Correction During Cataract Surgery: Toric IOL Implantation Versus Limbal-Relaxing Incision and Monofocal IOL Implantation

Daniele Tognetto; D. Fanni; Giuseppe Ravalico


Archive | 2010

Comparison of two phaco emulsidiers utilizing new removal modalities

Daniele Tognetto; Pia Easter Leon; Silvia Rinaldi; Giuseppe Ravalico


Archive | 2010

White Star Signature Ellips versus White Star Signature Ellips FX

Daniele Tognetto; D. Fanni; Silvia Rinaldi; Giuseppe Ravalico


Archive | 2009

Ellips Transversal Versus Longitudinal Conventional Ultrasound Mode

Daniele Tognetto; D. Fanni; Silvia Rinaldi; Marco Paoloni; Giuseppe Ravalico


Archive | 2009

Contrast Snsitivity in Msopic Cndition with Blue-and Blue-Green Light-Filtering IOLs.

Daniele Tognetto; A. Franchini; Silvia Rinaldi; D. Fanni; Eirini Skiadaresi; Giuseppe Ravalico


Archive | 2008

Comparison of ZM900, ReSTOR, and ReZoom Multifocal IOLs for Intermediate and Near Vision

Giuseppe Ravalico; D. Fanni; M. T. Di Lauro; Daniele Tognetto


Archive | 2004

Cavitazione acustica e turbolenza dei fluidi durante la facoemulsificazione.

G. Sanguinetti; Daniele Tognetto; L. Marcucci; Daniela Minutola; G. Di Stefano; Paolo Sirotti; Giuseppe Ravalico


Archive | 2004

Hyperacuityand IOL implantation

G. Sanguinetti; Daniele Tognetto; Giuseppe Ravalico

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D. Fanni

University of Trieste

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Pia Easter Leon

University of Chieti-Pescara

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