title: Fresnel prism therapy for right hemianopia.
abstract: Fresnel prisms placed on the spectacle lenses of a patient with right hemianopia provide an easier means for the patient to become aware of objects located in the blind field. Exact location of the prisms is important.
mesh_terms: D005139:Eyeglasses / Q000592:standards*; D005260:Female; D006423:Hemianopsia / Q000209:etiology / Q000628:therapy*; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000150:complications; D008875:Middle Aged