Ento Key

Trauma Definition Figure 7-1 Composite drawing of the microscopic and gonioscopic anatomy. (Reproduced with permission from Becker B, Shaffer RN: Diagnosis and Therapy of the Glaucomas. St. Louis, CV Mosby…

Refractive Error Definition The state of an eye in which light rays are not properly focused on the retina, resulting in image blur. Ametropia A refractive error (e.g., myopia, hyperopia,…

Papilledema Definition Optic disc swelling caused by elevated intracranial pressure (ICP). Etiology Elevated ICP occurs in a variety of settings including: congenitally; with intracranial neoplasm or other mass; infection (meningitis,…

Amyloidosis Definition Group of diseases characterized by abnormal protein production and tissue deposition. Nonfamilial and familial forms; familial amyloidosis (autosomal dominant [AD]) caused by substitution errors in coding of prealbumin….

Trauma Foreign Body Exogenous material on, under, or embedded within the conjunctiva or sclera; commonly dirt, glass, metal, or cilia. Patients usually note foreign body sensation and redness; may have…

Primary Angle-Closure Glaucoma Definition Glaucoma due to obstruction of the trabecular meshwork by peripheral iris; classified as acute, subacute (intermittent), or chronic. Etiology/mechanism Pupillary Block Most common. Lens–iris apposition interferes…

Trauma Blunt Trauma Orbital Contusion Periocular bruising caused by blunt trauma; often with injury to the globe, paranasal sinuses, and bony socket; traumatic optic neuropathy or orbital hemorrhage may be…

Strabismus Definition Ocular misalignment that may be horizontal or vertical; comitant (same angle of deviation in all positions of gaze) or incomitant (angle of deviation varies in different positions of…