Each year the St John' s College plays host to the Cambridge Ophthalmological Symposium, a two day residential meeting gathering together both research and clinical ophthalmologists to discuss a specific topic under the chairmanship of a leader in the field. This year's topic was infection and we lucky enough to be able to interview a few of the key speakers about their work:

- Jerry Pier: How pathogens interact with the eye interact

- Todd Margolis: Herpes ocular infections: treatment and prophylaxis

- Elmer Tu: Protozoal keratitis: acanthamoeba and microsporidia