Coordinated infant videorefractive screening programmes in six European centres by Atkinson, J, Braddick, O, Anker, S, Ehrlich, D, King, J, Hartley, T, deMolina, A, Munoz, M, Sireteanu, R, Bachert, I, daSilva, O, Mendes, A, Heitor, M, Dias, L, VitalDurand, F, Pinzaru, G, Angi, M, Atkinson, S