Ento Key

Eyelid Lesions Lora R. Dagi Glass Juliana Wilson THE CLINICAL CHALLENGE Eyelid lesions commonly present in the emergency department (ED) or urgent care settings. There are an estimated two million…

Ptosis Harsha S. Reddy Di Coneybeare THE CLINICAL CHALLENGE Eyelid droop, called blepharoptosis, is often abbreviated to simply ptosis. Ptosis is defined as the inferior displacement of upper eyelid margin…

Herpes Zoster Ophthalmicus Alexandra Ortego Paul Petrakos THE CLINICAL CHALLENGE Herpes zoster, commonly known as shingles, occurs when the human herpesvirus type 3, the virus responsible for varicella infection, is…

Eyelid Lacerations Kyle J. Godfrey Sirivalli Chamarti THE CLINICAL CHALLENGE Eyelid trauma is a common presentation to the emergency department (ED). Eyelid lacerations account for 7.7% of all complaints of…

Preseptal and Orbital Cellulitis Jamie Lea Schaefer Jimmy Truong CLINICAL CHALLENGE Periorbital infections are a relatively common presenting complaint in the emergency and urgent care settings, especially for children.1 The…

Orbital Tumors Alison V. Crum Samantha F. Bordonaro THE CLINICAL CHALLENGE There are many types of orbital tumors or masses that can occur in and around the orbit. The diagnosis…

Orbital Trauma Joshua Gentges Douglas Marx THE CLINICAL CHALLENGE The orbit is defined by the bony structures that form the orbital floor and wall. It contains and protects many important…

Ocular Imaging Gareth M. C. Lema Penelope C. Lema THE CLINICAL CHALLENGE A primary challenge for the emergency provider is choosing the appropriate diagnostic imaging test in evaluation of the…

Anatomy of the Eye Daniel S. Casper ORBITAL AND OCULAR ANATOMY Osteology The eyes, or globes, are located in bilateral orbital cavities in the anterior, superior skull. These pear-shaped cavities…