<prompt> What is the new advance in cataract surgery?Femtosecond laserNeodymium LaserNanosecond laserPicosecond Laser  <response>: Ans. is a i.e., Femtosecond laser Femtosecond laser-assisted cataract surgery provides surgeons an exciting new option to potentially improve patient outcomes and safety. In this surgery a femtosecond laser is used for various steps like lens fragmentation and capsulotomy. Although the results have been good the technology is currently very expensive. 