Dana Vollmer says her retirement is not letting go of a dream but having the ambition to start a new one.
The 22-year-old American is embracing her status as a trailblazer and role model for black athletes.
To, who held 16 Hong Kong swimming records, was on a three-month training programme at the University of Florida when he took ill.
The 30-year-old has appeared in 3 Olympics, in 2008, 2012 and 2016, winning 8 medals in total.
Lochte is currently serving a 14-month suspension for a doping violation after receiving an intravenous infusion without a therapeutic use exemption.
Kim Hye-jin accidentally struck the unnamed Chinese swimmer's face while training at Jakarta's Aquatic Center.