Complex sentence: With his pupil Peter Choyce he eventually achieved worldwide support for the technique, and the intraocular lens was finally approved as "safe and effective" and approved for use in the USA by the Food and Drug Administration in 1981.
Split into simpler sentences: With his pupil Peter Choyce he eventually achieved worldwide support for the technique. The intraocular lens was finally approved as "safe and effective" and approved for use in the USA by the Food and Drug Administration in 1981.