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.

Born on 15 December 1884 at Pentre, Glamorgan, son of Elias Henry Davies, an influential figure in the public service of South Wales, and Ann Jones, his wife, he was educated at Porth County School and University College, Cardiff, graduating with first-class honours in science in 1906, and was award