Complex sentence: He was educated at Charterhouse School, Pembroke College, Cambridge from 1924-1927 and completed his medical training in 1930 at St Thomas'Hospital, and worked as a surgeon at Moorfields Eye Hospital and St Thomas' Hospital in London, specialising in ophthalmology.
Split into simpler sentences: He was educated at Charterhouse School before studying at Pembroke College, Cambridge from 1924-1927, and completed his medical training in 1930 at St Thomas'Hospital. Subsequently he worked as a surgeon at Moorfields Eye Hospital and St Thomas' Hospital in London, specialising in ophthalmology.