This issue of Veterinary Clinics of North America: Equine Practice is edited by Dr. Mary Lassaline and focuses on Equine Ophthalmology. Article topics include: Anatomy and Examination; Imaging; Eyelid; Cornea; Uveitis; Lens; Retina with emphasis on electrodiagnostics; Medications Update; Neuro-oph; Ocular neoplasia; Genetic ocular disease, and OMSD with emphasis on borreliosis.