In order to become an ophthalmologist it is necessary to learn the skill of refractionand retinoscopy which requires a great deal of skill and practice.This full-colour, comprehensive revision guide has been specifically tailored forcandidates of the mandatory Refraction Certificate Examination assessed by theRoyal College of Ophthalmologists.Trainees will welcome this book and experienced practitioners will also find manypearls inside. I commend this book to you.Anthony Quinn, in the Foreword