Ento Key

BASICS DESCRIPTION Phototoxicity of the retinal pigment epithelium (RPE) and photoreceptor layers in the fovea due to exposure to sunlight. EPIDEMIOLOGY Incidence Uncommon, but clusters of cases appear around eclipses…

BASICS DESCRIPTION • Toxoplasmic chorioretinitis is usually a unifocal, full thickness chorioretinal lesion. • Frequently arises from border of preexisting chorioretinal scar • Associated with focal vitreous inflammation directly over…

L. Jay Katz BASICS DESCRIPTION A secondary glaucoma resulting from elevated intraocular pressure (IOP) due to intraocular lens (IOL)–associated chronic inflammation and recurrent hyphemas EPIDEMIOLOGY Incidence Uncommon Prevalence Unknown RISK…

L. Jay Katz BASICS DESCRIPTION • Pupillary block is the most common mechanism responsible for angle closure. • It is caused by increased resistance to flow of aqueous from the…

Carol L. Shields BASICS DESCRIPTION Benign vascular hamartomatous tumors of the choroid. Present in 2 forms based on extent of choroidal involvement: • Circumscribed choroidal hemangioma (CCH): Solitary tumor with…

BASICS DESCRIPTION • Homocystinuria compromises a group of inborn errors of methionine metabolism that result in elevated levels of homocysteine in the urine (homocystinuria) and blood (homocysteinemia). • Cystathione β-synthetase…

BASICS DESCRIPTION • Sturge–Weber syndrome (SWS), also called encephalotrigeminal angiomatosis, is a congenital dermato-oculo-neural syndrome. – Cutaneous nevus flammeus in distribution of trigeminal nerve branches – Ipsilateral glaucoma and diffuse…

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…

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…

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. –…