title: [Low vision--management of visually impaired patients by magnifying vision aids. I: Physiological and optical basic principles].
authors.affiliation: Fachhochschule Jena, Germany. hans-juergen.grein@fh-jena.de
authors.forename: H J
authors.initials: HJ
authors.lastname: Grein
mesh_terms: D001766:Blindness / Q000145:classification / Q000209:etiology / Q000534:rehabilitation; D004867:Equipment Design; D005139:Eyeglasses; D006801:Humans; D055095:Optics and Photonics; D011932:Reading; D012682:Sensory Aids; D015354:Vision, Low / Q000145:classification / Q000209:etiology / Q000534:rehabilitation*; D019987:Persons with Visual Disabilities / Q000145:classification / Q000534:rehabilitation*