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To determine the operating temperature of ultrasonic tips used with the Alcon AdvanTec Legacy, AMO Sovereign WhiteStar, and Bausch & Lomb Millennium phacoemulsification systems.Mackool Eye Institute, Astoria, New York, New York, USA.Thermal imaging of ultrasonic tips (Legacy, WhiteStar, and Millennium) was performed in air and in human cadaver eyes using a duty cycle of 33% (WhiteStar) and 50%...