In a newer method, an ultrasonic probe enters the cut in the cornea and high-speed vibrations break the lens into microscopic flecks that are then removed by suction.

• 有一种更先进的方法，把超声波探头伸到角膜切口内，高速的振动将晶状体变成微小的碎片，然后吸出这些碎片。