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
Murder for body parts cadavers. These rumors are hard to substantiate, and may reflect continued, deep-held fears of the use of cadavers as commodities. Murder for body parts The murder of human beings for their body parts is a crime in all countries. Such practices have been confirmed or suspected to occur within a handful of contexts. Medicine murder (not to be confused with "medical murder" due to medical negligence) means the killing of a human being in order to excise body parts to use as medicine or for magical purposes in witchcraft. Medicine murder is not viewed as a form of human sacrifice