Van Diest practised her profession for two years in England, where women doctors were free to practise since 1866. She was attached to the
New Hospital for Women, and during the time she met many British
feminists. She once again returned to Belgium, however, to be able to have her medical qualifications recognized, she was forced to complete additional courses at the
Free University of Brussels, open to women since 1880. Many of her patients came from the upper classes of Brussels society, but she also treated pensioners at a nursing home for elderly prostitutes and fought for better treatment for prostitutes. A feminist, she founded the
Belgian League for the Rights of Women (
Ligue belge du droit des femmes) with
Marie Popelin, the first Belgian woman to receive a degree in law, and activist
Léonie La Fontaine. In 1902, progressively losing her eyesight, she ended her professional activities and moved to
Knokke, where she passed her final years. == Death and legacy ==