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What procedure is used to remove a cataract lenses, if the doctor does not use ultrasound,? - alcon cataract

I understand that the phaco-emulsification method is commonly used in the United States. We live in Baja California Sur, Mexico, and the doctor said to my wife who does not use ultrasound to remove the lens. I would like more information on alternatives at second hand. What information is expected, should a patient from the doctor about compensation for the manufacture of lenses, which are intended to? (Alcon)