John Peregrine Francis Lloyd was born in Birmingham on 24 August 1907, the son of John Lloyd, managing director of Albright and Wilson, and Florence, née Armstrong. He was educated at West House School, Edgbaston, and Trent College, Derbyshire, before entering the University of Birmingham for medical studies. He qualified in 1930 and after early hospital appointments passed the FRCS four years later. He continued postgraduate studies in ophthalmology at Moorfields Hospital under Miss I C Mann, later moving to her department in Oxford when she became Professor. During the war years he served in the Royal Army Medical Corps as an ophthalmic specialist with the rank of Major, returning to Oxford as consultant ophthalmologist to the United Oxford Hospitals in 1945. He served on the Council of the Ophthalmological Section of the Royal Society of Medicine from 1949 to 1950 and on the Council of the Faculty of Ophthalmologists from 1965 to 1971. He also served on the Council of the Oxford Ophthalmological Congress from 1950 to 1972 and was deputy Master in 1968-69. His particular interest was in the treatment of glaucoma and he contributed articles on this subject to the *Transactions of the Ophthalmological Society of the United Kingdom*, the *British journal of ophthalmology* and the *British encyclopaedia of medical practice*. He married Joy Wilson in 1932 and they had two sons and one daughter. In early years his hobbies were motor cycle trials, speedway racing, flying, golf and gardening but later in life he took up riding and sea fishing. He died on 19 December 1985 aged 78.