Clinical Approaches to Common Ocular Tumors
LOW METASTATIC POTENTIAL The overall prognosis for life in most primary intraocular neoplasias is good. In companion animals, intraocular tumors are relatively uncommon, but those that do occur can be primary, metastatic, or locally invasive. Tumors can appear as discrete masses, diffuse changes, or even after uveitis. Learning to recognize the presence of a mass …
Ophthalmology Acute Glaucoma: A True Emergency
Shelby Reinstein, DVM, MS, DACVO Veterinary Specialty and Emergency Center Levittown, Pennsylvania PRONE BREEDS Primary glaucoma is strongly breed related, and some of the most commonly affected dog breeds are the beagle, basset hound, Boston terrier, cocker spaniel, and shar-pei. THE BASICS OF GLAUCOMA Glaucoma is an elevation of the intraocular pressure (IOP) with associated …
Diagnosing Acute Blindness in Dogs
Vision loss can occur gradually or manifest acutely in dogs, but acute and complete blindness can be particularly devastating. The abrupt nature of this blindness is very disconcerting for all involved and pet owners may make hasty conclusions and decisions. A thorough general and ophthalmic history is crucially important to the investigation of blindness because differential diagnoses can be quite different depending upon the onset and duration of the deficits. As the history is being gathered, confirmation of vision—or the lack thereof—should be performed. Note that some patients—those with neurologic disease and aged animals with cognitive dysfunction—may behave as if they are visually impaired even though their visual systems are functional.
Observations in OphthalmologyRunny Eyes: Feline Herpesvirus InfectionCE ARTICLE
The authors describe the anatomy of the feline conjunctiva and cornea, pathogenesis of feline herpesvirus, and ocular manifestations of the disease, including specific diagnosis and therapy.
Observations in OphthalmologyThe Practitioner’s Guide to Neurologic Causes of Canine Anisocoria
Heidi Barnes Heller, DVM, Diplomate ACVIM (Neurology), and Ellison Bentley, DVM, Diplomate ACVO University of Wisconsin–Madison Anisocoria is defined as pupil asymmetry, and may be seen with ocular or neurologic dysfunction (Figure 1).1 When anisocoria is caused by neurologic disease, unequal pupil size may result from malfunction of the sympathetic, parasympathetic, or visual systems. When …
Observations in Ophthalmology: Clinical Approach to Canine Eyelid Disease: Blepharitis
Canine eyelid disease is a common clinical challenge for general veterinary practitioners. Response to treatment can be an important diagnostic tool.
Observations in Ophthalmology: Answers to What, Where, Why, & When? Corneal Opacities in Dogs & Cats
Ann R. Strom, DVM, MS, and David J. Maggs, BVSc, Diplomate ACVO University of California–Davis Welcome to Observations in Ophthalmology, 1 of 2 new columns in this issue of Today’s Veterinary Practice. The articles in this column will provide succinct nuggets of knowledge about common (and sometimes uncommon) ophthalmic conditions seen in general practice. Authors …
Practical Techniques from the NAVC Institute: Addressing Brachycephalic Ocular Syndrome in the Dog
Caryn E. Plummer, DVM, Diplomate ACVO Each year, the NAVC Institute takes place in Orlando, Florida, and top specialists in select areas of veterinary medicine provide hands-on, one-on-one continuing education to Institute attendees.The NAVC and Today’s Veterinary Practice have partnered together to present the Practical Techniques from the NAVC Institute column, which includes material from …
Diagnosis & Treatment of Keratoconjunctivitis Sicca in Dogs
Lori J. Best, DVM; Diane V.H. Hendrix, DVM, Diplomate ACVO; and Daniel A. Ward, DVM, PhD, Diplomate ACVO Keratoconjunctivitis sicca (KCS), is a relatively common condition in dogs, although the diagnosis is often overlooked. This article provides guidance on the pathophysiology, causes, diagnosis, and medical and surgical treatment for this condition. Keratoconjunctivitis sicca (KCS) is …