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
Midland Examining Group Midland Examining Group The Midland Examining Group (MEG) was an examination board, operating in England, Wales and Northern Ireland. It offered a range of GCSE and Certificate of Achievement qualifications. It became part of OCR in 1998. The board was one of a number of new 'examining groups' formed to develop syllabuses for the GCSE qualification, which was due to replace the GCE O Level and CSE qualifications in 1988. MEG was formed by the Oxford and Cambridge Schools Examination Board and Southern Universities' Joint Board for School Examinations GCE boards and the East Midlands Regional Examinations Board and The