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
Associated Examining Board Associated Examining Board The AEB (Associated Examining Board) was an examination board serving England, Wales and Northern Ireland from 1953 until 2000. It is now part of AQA. The AEB was formed in 1953 by City & Guilds. It offered GCE (O Level and A Level) qualifications. In 1985, when the government created a number of examining groups to devise and assess the new GCSE qualifications (which replaced O Levels and CSEs from 1988), the AEB was, with the University of Oxford Delegacy of Local Examinations, the South East Regional Examinations Board, South West (Regional) Examinations Board and Southern Regional