The procedure for simple extraction of cataracts is shown. The procedure is repeated on many eyes, and the films have been edited together in a series. The puncture of the eyeball, incision of capsule and counterpuncture are shown in the procedure. An example of a difficult extraction and an example of an easy extraction are shown. The procedure for extracting a secondary cataract with a needle is shown. The method of extraction by a buccal vacuum and suction is shown.