Diseases and disorders of the orbit and ocular adnexa / [edited by] Aaron Fay, MD, Assistant Clinical Professor, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA, Peter J. Dolman, MD, FRCSC, Clinical Professor, Division of Oculoplastics and Orbit, Director of Fellowship Programmes, Department of Ophthalmology, University of British Columbia, Vancouver, BC, Canada.