June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Comparison of efficacy and safety of 45° versus 30° balanced phaco tip in torsional phacoemulsification
Author Affiliations & Notes
  • Kaori Morii
    Opthalmology, Asagiri-Hospital, Akashi, Hyogo, Japan
  • Shinji Miura
    Opthalmology, Asagiri-Hospital, Akashi, Hyogo, Japan
  • Kenji Sawada
    Opthalmology, Asagiri-Hospital, Akashi, Hyogo, Japan
  • Yoshihumi Otsuka
    Opthalmology, Asagiri-Hospital, Akashi, Hyogo, Japan
  • Hinako Kubotani
    Opthalmology, Asagiri-Hospital, Akashi, Hyogo, Japan
  • Futoshi Taketani
    Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Hyogo, Japan
  • Ritsuko Fujiwara
    Opthalmology, Asagiri-Hospital, Akashi, Hyogo, Japan
  • Footnotes
    Commercial Relationships   Kaori Morii, None; Shinji Miura, None; Kenji Sawada, None; Yoshihumi Otsuka, None; Hinako Kubotani, None; Futoshi Taketani, None; Ritsuko Fujiwara, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 1815. doi:
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      Kaori Morii, Shinji Miura, Kenji Sawada, Yoshihumi Otsuka, Hinako Kubotani, Futoshi Taketani, Ritsuko Fujiwara; Comparison of efficacy and safety of 45° versus 30° balanced phaco tip in torsional phacoemulsification. Invest. Ophthalmol. Vis. Sci. 2017;58(8):1815.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To compare intraoperative performance and postoperative outcomes after torsional phacoemulsification using a 45° or a 30°balanced phaco tip.

Methods : A single surgeon performed 80 cataract surgeries with a 45°(40 eyes, group A) or a 30° (40 eyes, group B) Intrepid® Balanced phaco tip. All surgeries were performed using the Centurion® platform with the same ultrasound (US) energy and fluidics settings via a 2.3 mm temporal corneal incision. Intraoperative measurements included total US seconds and the cumulative dissipated energy (CDE) value. The central corneal thickness (CCC) and the central corneal cell density (CD) were evaluated pre- and post-operatively.

Results : The mean total US seconds and CDE value were 24.91 ± 15.32 and 2.98 ± 1.85 in group A, and 32.88 ± 7.34 and 4.19 ± 1.78 in group B, respectively, with a statistical significance (p < 0.05). Postoperatively, there was no significant increase in CCC and no significant decrease in CD in either group.

Conclusions : Torsional phacoemulsification cataract surgery with a 45°balanced tip provided more effective lens removal than a 30° tip. Both tip designs provided safe results.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

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