BASICS DESCRIPTION • Migraine headache (HA): A chronic, recurrent episodic, stereotypical HA syndrome not caused by intracranial or systemic disease (but neural-based) – ± associated migraine features; ± aura –…

BASICS DESCRIPTION • Dyslexia is a primary reading disorder. It is characterized by difficulty in understanding and using alphabetic and logographic principles to acquire accurate and fluent reading skills –…

BASICS DESCRIPTION • Transient loss of vision in 1 or both eyes – Transient monocular visual loss (TMVL) – Transient binocular visual loss (TBVL) – System(s) affected: Central nervous system,…

Alok Bansal BASICS DESCRIPTION • Von Hippel-Lindau (VHL) disease is an inherited cancer predisposition syndrome characterized by various tumors affecting multiple organ systems (see ‘Commonly Associated Conditions’). • The primary…

L Jay KatzAnand V. Mantravadi BASICS DESCRIPTION • Diverse mechanistic grouping of posttraumatic disorders that results in decreased aqueous outflow, elevated intraocular pressure (IOP), and subsequent optic neuropathy • Early…

BASICS DESCRIPTION • Neurofibromatosis (NF) consists of 2 neurocutaneous genetic disorders that can involve the bones, the nervous system, soft tissue, and the skin. It is the most common hereditary…

BASICS DESCRIPTION • Multifactorial disease characterized by an abnormal tear film that is inadequate to support the health of the ocular surface • Types – Aqueous tear-deficient – Evaporative –…

BASICS DESCRIPTION • Wilson’s disease (WD) is an autosomal recessive defect in cellular copper transport characterized by dramatic build-up of intracellular hepatic copper with subsequent hepatic, neurologic, and other systemic…

Katherine A. LaneChristopher B. Chambers BASICS DESCRIPTION • Infantile hemangioma (IH) preferred term • Benign, high flow, vascular hamartoma • Classified as superficial or deep • Superficial lesions present as…

Jacqueline Carrasco BASICS DESCRIPTION • Lagophthalmos = incomplete lid closure • Lid retraction = presence of scleral shown above the superior or below the inferior limbus, with eyes in primary…