The Editors Douglas Esson, BVSc, MRCVS, DVM, DACVO, is a board-certified veterinary ophthalmologist and co-owner of Veterinary Ophthalmic Consulting, California, USA. Sara Calvarese, DVM, DACVO, is a board-certified veterinary ophthalmologist and co-owner of Veterinary Ophthalmic Consulting, California, USA.