Clinical Orthoptics has become established as a basic reference text providing fundamental information on anatomy, innervation, orthoptic investigation, plus diagnosis and management of strabismus, ocular motility and related disturbances. It is aimed at trainee ophthalmologists and orthoptic undergraduate students. Qualified orthoptists, general ophthalmologists and optometrists will also find useful guidance in these pages. In this edition, the author has maintained the goal of producing a user-friendly, clinically relevant and succinct book, while reflecting a variety of updates in the field.