<unk>  is a modern cataract surgery method in which the eye's internal lens is emulsified with an ultrasonic handpiece and aspirated from the eye. Aspirated fluids are replaced with irrigation of balanced salt solution to maintain the anterior chamber.
Phacoemulsification
Sclerotomy
Ureterolysis
Refractive surgery
Erotic electrostimulation
Radial keratotomy
Epi-LASIK
Boston keratoprosthesis