Geoffrey Viner studied medicine at St Bartholomew's Hospital where he became ophthalmic house surgeon. He held the post of surgeon to the Royal Westminster Ophthalmological Hospital and then was honorary consulting surgeon to Moorfields Eye Hospital. He was a member of the Ophthalmological Society. During the war he was ophthalmic specialist with the BEF in France. He died on 14 February 1974 survived by two sons, Julian and Tim and a daughter, Biddy. His wife, Edith Monica, died on 20 August, 1985.