The purpose of this study is to demonstrate that the Centurion® Vision System (CVS) used with the 45° Balanced Tip will result in less Cumulative Dissipated Energy (CDE) than the lnfiniti® Vision System (IVS) used with the 45° Mini-Flared Kelman (MFK) tip during cataract extraction surgery via phacoemulsification of cataract grades NII- NIV \[Lens opacities classification system II (LOCSII)\].
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
231
Cumulative Dissipated Energy (CDE)
Cumulative Dissipated Energy (CDE) represents the energy dissipated of the u/s tip and infusion sleeve at the incision point (5.6mm back from the cutting edge of the tip) during the removal of cataractous lens. CDE was reported on the Vision System interface and measured in percent-seconds. A lower CDE indicates that less energy was present at the incision site. Only one eye (study eye) contributed to the analysis. This outcome measure was pre-specified for CVS Bal and IVS MFK.
Time frame: Day 0 (operative day)
Cumulative Dissipated Energy (CDE)
Cumulative Dissipated Energy (CDE) represents the energy dissipated of the u/s tip and infusion sleeve at the incision point (5.6mm back from the cutting edge of the tip) during the removal of cataractous lens. CDE was reported on the Vision System interface and measured in percent-seconds. A lower CDE indicates that less energy was present at the incision site. Only one eye (study eye) contributed to the analysis.
Time frame: Day 0 (operative day)
Balanced Salt Solution (BSS) Fluid Used
BSS Fluid was measured by weighing the BSS bag after priming. BSS Used is Incision Leakage Fluid plus Aspiration Fluid Used. A reduction in BSS fluid used implies less induced trauma to tissues. Only one eye (study eye) contributed to the analysis.
Time frame: Day 0 (operative day)
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