Amsler grid Amsler grid The Amsler grid, used since 1945, is a grid of horizontal and vertical lines used to monitor a person's central visual field. The grid was developed by Marc Amsler, a Swiss ophthalmologist. It is a diagnostic tool that aids in the detection of visual disturbances caused by changes in the retina, particularly the macula (e.g. macular degeneration, Epiretinal membrane), as well as the optic nerve and the visual pathway to the brain. In the test, the person looks with each eye separately at the small dot in the center of the grid. Patients with macular disease may see
Examining magistrate Examining magistrate In an inquisitorial system of law, the examining magistrate (also called investigating magistrate, inquisitorial magistrate, or investigating judge), is a judge who carries out pre-trial investigations into allegations of crime and in some cases makes a recommendation for prosecution. The exact role and standing of examining magistrates varies from jurisdiction to jurisdiction; common duties and powers of the examining magistrate include overseeing ongoing criminal investigations, issuing search warrants, authorizing wiretaps, making decisions on pretrial detention, interrogating the accused person, questioning witnesses, examining evidence, and compiling a dossier of evidence in preparation for trial. Examining magistrates have an important