Common Symptoms Asymptomatic. Decreased vision may be experienced if macula is involved. Mild/transient to severe/permanent declines in visual acuity depending on the degree/location of photoreceptor damage; associated with blunt trauma/contrecoup…
Features A choroidal detachment is a collection of serous fluid or blood that forms in the space separating the choroid and sclera (the suprachoroidal space). Other common terms for choroidal…
41.1 Features Gyrate atrophy (GA) of the choroid and retina is a rare, genetically determined, autosomal recessive, slowly progressive chorioretinal dystrophy characterized by sharply demarcated areas of chorioretinal atrophy in the…
Features Diffuse unilateral subacute neuroretinitis (DUSN) is a typically monocular inflammatory condition caused by various subretinal nematodes. DUSN tends to affect younger individuals and is classified into early and late…
38.1 Features Cancer-associated retinopathy (CAR) is a photoreceptor degenerative disorder, representing a remote effect of various types of tumors and is associated with presence of various types of antiretinal antibodies in…
Common Symptoms Ocular complaints (noted in up to 50% of Behçet patients) are usually bilateral; symptoms include photophobia, eye pain, decreased vision, red eye, and floaters. Systemic manifestations, including oral…
23.1 Features While clinical findings of radiation retinopathy and diabetic retinopathy (DR) overlap considerably, a discussion of the initiating insults can provide a better understanding of the disease process. Ionizing radiation…
34.1 Features Pattern dystrophies (PDs) include a group of genetically determined retinal disorders, of which, a major subset have been associated with mutations in the PRPH2 gene, also known as peripherin/RDS….
56.1 Features Mycobacterium tuberculosis (MTB) infects one-third of the world’s population. In the United States, the overall case rate of active TB is rare. Foreign-born persons constitute approximately two-thirds of those…
53.1 Features Ocular toxocariasis (OT) is a helminthic disease that may cause a large spectrum of ocular complications. It is one of the most common parasitic causes of visual loss in…
