RT Journal Article SR Electronic T1 Early diagnosis of keratoconus: what difference is it making? JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1465 OP 1466 DO 10.1136/bjophthalmol-2014-305120 VO 98 IS 11 A1 Joaquín Fernández Pérez A1 Almudena Valero Marcos A1 Francisco Javier Martínez Peña YR 2014 UL http://bjo.bmj.com/content/98/11/1465.abstract AB