Susan E. EdmondsRyan P. Edmonds BASICS DESCRIPTION Condition where there is a permanent loss in vision due to any disease or disorder where some usable vision remains but desired life…

Ramin Schadlu BASICS DESCRIPTION • Presumed ocular histoplasmosis syndrome (POHS) is an inflammatory condition associated with systemic infection by the fungus Histoplasma capsulatum. It may be unilateral or bilateral. –…

Eliza Hoskins BASICS DESCRIPTION • Non-granulomatous anterior uveitis (NGAU) is a broad classification for various inflammatory conditions localized to the iris (iritis), ciliary body (cyclitis), or both (iridocyclitis) that typically…

George L. Spaeth BASICS DESCRIPTION • A systemic disorder characterized by the deposition of a fibrillar material on the lens, ciliary epithelium, zonules, iris, and corneal endothelium, which may be…

BASICS DESCRIPTION Conjunctivitis occurring in the first 4 weeks of life EPIDEMIOLOGY Incidence • US: – Gonococcal: 0.3/1,000 births – Chlamydial: 8.2/1,000 births • Developing countries: 15–60% of live births…

BASICS DESCRIPTION • Vitreoretinal lymphoma (VR lymphoma) is a high-grade type of non-Hodgkin’s lymphoma that involves the retina and vitreous. • The term “primary intraocular lymphoma” is commonly used in…

BASICS DESCRIPTION • Choroidal neovascularization (CNV) is the development of new blood vessels from the choroid layer through a dehiscence or disturbance in Bruch’s membrane into the subretinal space. •…

Sunir J. Garg BASICS DESCRIPTION • A rhegmatogenous retinal detachment (RRD) occurs as a result of a retinal break or tear that allows fluid to enter the subretinal space and…

Carol L. Shields BASICS DESCRIPTION • Vasoproliferative tumors of the retina (VPT) are benign vascular lesions located in the sensory retina. • They are nonfamilial. • In a series of…

Kathleen RomeroAlex V. Levin BASICS DESCRIPTION • RH may occur on the surface or just below the retina (preretinal or subretinal), or they may be found within the retinal layers….