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New ultra-high speed camera allows visualizing phaco machine performance
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VIENNA — A new ultra-high speed TV camera provides dynamic high-resolution, magnified visualization of the performance of phaco machines at different stages of surgery, according to a surgeon speaking here.
"This TV camera allows 7,000 times [faster] shooting than normal-speed cameras," said Kensaku Miyake, MD, at the joint meeting of the European Society of Ophthalmology and American Academy of Ophthalmology.
The device could be a valuable tool to help select and improve surgical techniques and maneuvers, he noted.
Using the camera system, Dr. Miyake showed the audience the performance of two phacoemulsification technologies — the Ozil module of Alcon's Infiniti phaco system and the Advanced Medical Optics' WhiteStar ICE system — at various stages of surgery. Clearly visible were the difference between torsional and traditional vibration, the difference between Kelman and straight phaco tips, the formation of cavitation, and the difference in efficacy and followability between torsional and traditional phaco modes.
"Phacoemulsification with the Kelman tip and torsional mode is substantially more efficient, quicker, with less chattering. We can also observe that it produces significantly less trauma to the lens capsule and to the zonular system," Dr. Miyake said.