Retinal vascular calibres in HIV-positive men over 50 years compared to similarly aged HIV-negative and younger HIV-positive controls. Authors Haddow L, Laverick R, Leung I, Gilson R, Vera J, Williams I, Post F, Boffito M, Sabin C, Winston A, Peto T. Poster presentation (P98), BHIVA, Liverpool, UK, April 4-7 2017. Tuesday, 4 April, 2017 Research theme Cardio / cerebrovascular disease