Carol L. Shields BASICS DESCRIPTION • The term “ocular surface squamous neoplasia (OSSN)” describes a spectrum of conjunctival and corneal epithelial dysplasia ranging from conjunctival/corneal intraepithelial dysplasia (CIN) to squamous…

BASICS DESCRIPTION Schnyder’s corneal dystrophy (SCD) is a rare bilateral condition characterized with slowly progressive abnormal deposition of lipids in the cornea. EPIDEMIOLOGY Incidence • Unknown • Worldwide largest pedigree…

BASICS DESCRIPTION • A full thickness defect in the neurosensory retina. • May be round/oval (retinal hole), horseshoe shaped (retinal tear), irregularly shaped or semicircular/adjacent to the ora serrata (dialysis)….

Erin M. NeyLan ChenSusan HochVatinee Y. Bunya BASICS DESCRIPTION • Polymyalgia rheumatica (PMR) is a disease characterized by pain and stiffness of the proximal muscles and joints, primarily the shoulders,…

BASICS DESCRIPTION • Radiation retinopathy is a delayed onset, chronic, progressive, occlusive vasculopathy of the retinal circulation resulting from previous radiation treatment to the eye, orbit, head, or neck. –…

BASICS DESCRIPTION • Xerophthalmia (Greek for dry eyes) is a condition of severe dry eye generally referring to the disease caused by vitamin A deficiency (VAD). • Other conditions can…

BASICS DESCRIPTION A pterygium is a benign, limbal, epithelial, wing-shaped, degenerative growth, mostly nasally, that migrates onto the cornea from the conjunctiva and may cause visual distortion or loss of…

Monica R. Khitri BASICS DESCRIPTION • Rare neurodevelopmental disorder of males causing congenital or early infancy blindness from retinal dysplasia, classically characterized by retrolental masses (pseudogliomas) (1) • Associated with…

BASICS DESCRIPTION • A blinding infectious condition currently found in mostly undeveloped countries • Consists of an active inflammatory stage in childhood followed by scarring sequelae in adulthood EPIDEMIOLOGY Incidence…

BASICS DESCRIPTION • Sarcoidosis is a multisystem granulomatous disease of unknown etiology. • Organs most commonly affected are the lungs, thoracic lymph nodes, skin, and central nervous system. • Ocular…