Intravitreal ranibizumab versus aflibercept versus bevacizumab for macular oedema due to central retinal vein occlusion: the LEAVO non-inferiority three-arm RCT oleh Philip Hykin, A Toby Prevost, Sobha Sivaprasad, Joana C Vasconcelos, Caroline Murphy, Joanna Kelly, Jayashree Ramu, Abualbishr Alshreef, Laura Flight, Rebekah Pennington, Barry Hounsome, Ellen Lever, Andrew Metry, Edith Poku, Yit Yang, Simon P Harding, Andrew Lotery, Usha Chakravarthy, John Brazier